diff --git a/mysql-test/include/wait_until_count_sessions.inc b/mysql-test/include/wait_until_count_sessions.inc
index 41348bee129..de4f0eeb652 100644
--- a/mysql-test/include/wait_until_count_sessions.inc
+++ b/mysql-test/include/wait_until_count_sessions.inc
@@ -2,14 +2,23 @@
 #
 # SUMMARY
 #
-#    Waits until the passed number ($count_sessions) of concurrent sessions was
-#    observed via
+#    Waits until the passed number ($count_sessions) of concurrent sessions or
+#    a smaller number was observed via
 #       SHOW STATUS LIKE 'Threads_connected'
 #    or the operation times out.
-#    Note: Starting with 5.1 we could also use
-#          SELECT COUNT(*) FROM information_schema.processlist
-#          I stay with "SHOW STATUS LIKE 'Threads_connected'" because this
-#          runs in all versions 5.0+
+#    Note:
+#    1. We wait for $current_sessions <= $count_sessions because in the use case
+#       with count_sessions.inc before and wait_until_count_sessions.inc after
+#       the core of the test it could happen that the disconnects of sessions
+#       belonging to the preceeding test are not finished.
+#       sessions at test begin($count_sessions) =  m + n
+#       sessions of the previous test which will be soon disconnected = n (n >= 0)
+#       sessions at test end ($current sessions, assuming the test disconnects
+#          all additional sessions) = m
+#    2. Starting with 5.1 we could also use
+#       SELECT COUNT(*) FROM information_schema.processlist
+#       I stay with "SHOW STATUS LIKE 'Threads_connected'" because this
+#       runs in all versions 5.0+
 #
 #
 # USAGE
@@ -19,20 +28,20 @@
 #
 #    OR typical example of a test which uses more than one session
 #       Such a test could harm successing tests if there is no server shutdown
-#       and start between.cw
+#       and start between.
 #
 #       If the testing box is slow than the disconnect of sessions belonging to
 #       the current test might happen when the successing test gets executed.
 #       This means the successing test might see activities like unexpected
 #       rows within the general log or the PROCESSLIST.
 #       Example from bug http://bugs.mysql.com/bug.php?id=40377
-#       --- bzr_mysql-6.0-rpl/.../r/log_state.result 
+#       --- bzr_mysql-6.0-rpl/.../r/log_state.result
 #       +++ bzr_mysql-6.0-rpl/.../r/log_state.reject
 #       @@ -25,6 +25,7 @@
-#        event_time user_host ... command_type	argument
-#        TIMESTAMP  USER_HOST ... Query	create table t1(f1 int)
-#        TIMESTAMP  USER_HOST ... Query	select * from mysql.general_log
-#       +TIMESTAMP  USER_HOST ... Quit	
+#        event_time user_host ... command_type argument
+#        TIMESTAMP  USER_HOST ... Query create table t1(f1 int)
+#        TIMESTAMP  USER_HOST ... Query select * from mysql.general_log
+#       +TIMESTAMP  USER_HOST ... Quit
 #       ....
 #
 #       What to do?
@@ -79,7 +88,11 @@
 #    backup.test, grant3.test
 #
 #
-# Created: 2009-01-14 mleich
+# Created:
+#    2009-01-14 mleich
+# Modified:
+#    2009-02-24 mleich Fix Bug#43114 wait_until_count_sessions too restrictive,
+#                                    random PB failures
 #
 
 let $wait_counter= 100;
@@ -93,7 +106,7 @@ let $wait_timeout= 0;
 while ($wait_counter)
 {
    let $current_sessions= query_get_value(SHOW STATUS LIKE 'Threads_connected', Value, 1);
-   let $success= `SELECT $current_sessions = $count_sessions`;
+   let $success= `SELECT $current_sessions <= $count_sessions`;
    if ($success)
    {
       let $wait_counter= 0;
@@ -107,7 +120,7 @@ while ($wait_counter)
 if (!$success)
 {
    --echo # Timeout in wait_until_count_sessions.inc
-   --echo # Number of sessions   expected: $count_sessions   found: $current_sessions
+   --echo # Number of sessions   expected: <= $count_sessions   found: $current_sessions
    SHOW PROCESSLIST;
 }
 
diff --git a/mysql-test/r/connect.result b/mysql-test/r/connect.result
index 727433d3032..5e6c013bb38 100644
--- a/mysql-test/r/connect.result
+++ b/mysql-test/r/connect.result
@@ -188,7 +188,7 @@ DROP USER mysqltest_u1@localhost;
 
 # -- End of Bug#33507.
 
-# -- Bug#35074: max_used_connections is not correct. 
+# -- Bug#35074: max_used_connections is not correct.
 
 FLUSH STATUS;
 
diff --git a/mysql-test/r/consistent_snapshot.result b/mysql-test/r/consistent_snapshot.result
index 90606abbe4e..694c996a58e 100644
--- a/mysql-test/r/consistent_snapshot.result
+++ b/mysql-test/r/consistent_snapshot.result
@@ -1,15 +1,23 @@
-drop table if exists t1;
-create table t1 (a int) engine=innodb;
-start transaction with consistent snapshot;
-insert into t1 values(1);
-select * from t1;
+DROP TABLE IF EXISTS t1;
+# Establish connection con1 (user=root)
+# Establish connection con2 (user=root)
+# Switch to connection con1
+CREATE TABLE t1 (a INT) ENGINE=innodb;
+START TRANSACTION WITH CONSISTENT SNAPSHOT;
+# Switch to connection con2
+INSERT INTO t1 VALUES(1);
+# Switch to connection con1
+SELECT * FROM t1;
 a
-commit;
-delete from t1;
-start transaction;
-insert into t1 values(1);
-select * from t1;
+COMMIT;
+DELETE FROM t1;
+START TRANSACTION;
+# Switch to connection con2
+INSERT INTO t1 VALUES(1);
+# Switch to connection con1
+SELECT * FROM t1;
 a
 1
-commit;
-drop table t1;
+COMMIT;
+# Switch to connection default + close connections con1 and con2
+DROP TABLE t1;
diff --git a/mysql-test/r/dirty_close.result b/mysql-test/r/dirty_close.result
index c4fc19a35f8..b49b72f1b95 100644
--- a/mysql-test/r/dirty_close.result
+++ b/mysql-test/r/dirty_close.result
@@ -1,9 +1,9 @@
-drop table if exists t1;
-create table t1 (n int);
-insert into t1 values (1),(2),(3);
-select * from t1;
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1 (n INT);
+INSERT INTO t1 VALUES (1),(2),(3);
+SELECT * FROM t1;
 n
 1
 2
 3
-drop table t1;
+DROP TABLE t1;
diff --git a/mysql-test/r/flush_block_commit.result b/mysql-test/r/flush_block_commit.result
index d5b10868358..d2197beaaab 100644
--- a/mysql-test/r/flush_block_commit.result
+++ b/mysql-test/r/flush_block_commit.result
@@ -1,39 +1,57 @@
-drop table if exists t1;
-create table t1 (a int) engine=innodb;
-begin;
-insert into t1 values(1);
-flush tables with read lock;
-select * from t1;
+# Establish connection con1 (user=root)
+# Establish connection con2 (user=root)
+# Establish connection con3 (user=root)
+# Switch to connection con1
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1 (a INT) ENGINE=innodb;
+BEGIN;
+INSERT INTO t1 VALUES(1);
+# Switch to connection con2
+FLUSH TABLES WITH READ LOCK;
+SELECT * FROM t1;
 a
-commit;
-select * from t1;
+# Switch to connection con1
+COMMIT;
+# Switch to connection con2
+SELECT * FROM t1;
 a
-unlock tables;
-begin;
-select * from t1 for update;
+UNLOCK TABLES;
+# Switch to connection con1
+# Switch to connection con1
+BEGIN;
+SELECT * FROM t1 FOR UPDATE;
 a
 1
-begin;
-select * from t1 for update;
-flush tables with read lock;
-commit;
+# Switch to connection con2
+BEGIN;
+SELECT * FROM t1 FOR UPDATE;
+# Switch to connection con3
+FLUSH TABLES WITH READ LOCK;
+# Switch to connection con1
+COMMIT;
+# Switch to connection con2
 a
 1
-unlock tables;
-commit;
-begin;
-insert into t1 values(10);
-flush tables with read lock;
-commit;
-unlock tables;
-flush tables with read lock;
-unlock tables;
-begin;
-select * from t1;
+# Switch to connection con3
+UNLOCK TABLES;
+# Switch to connection con2
+COMMIT;
+# Switch to connection con1
+BEGIN;
+INSERT INTO t1 VALUES(10);
+FLUSH TABLES WITH READ LOCK;
+COMMIT;
+UNLOCK TABLES;
+# Switch to connection con2
+FLUSH TABLES WITH READ LOCK;
+UNLOCK TABLES;
+BEGIN;
+SELECT * FROM t1;
 a
 1
 10
-show create database test;
+SHOW CREATE DATABASE test;
 Database	Create Database
 test	CREATE DATABASE `test` /*!40100 DEFAULT CHARACTER SET latin1 */
-drop table t1;
+DROP TABLE t1;
+# Switch to connection default and close connections con1, con2, con3
diff --git a/mysql-test/r/flush_block_commit_notembedded.result b/mysql-test/r/flush_block_commit_notembedded.result
index 16fb143ee4c..c7fd7a11877 100644
--- a/mysql-test/r/flush_block_commit_notembedded.result
+++ b/mysql-test/r/flush_block_commit_notembedded.result
@@ -1,15 +1,23 @@
-create table t1 (a int) engine=innodb;
-reset master;
-set autocommit=0;
-insert t1 values (1);
-flush tables with read lock;
-show master status;
+# Establish connection con1 (user=root)
+# Establish connection con2 (user=root)
+# Switch to connection con1
+CREATE TABLE t1 (a INT) ENGINE=innodb;
+RESET MASTER;
+SET AUTOCOMMIT=0;
+INSERT t1 VALUES (1);
+# Switch to connection con2
+FLUSH TABLES WITH READ LOCK;
+SHOW MASTER STATUS;
 File	Position	Binlog_Do_DB	Binlog_Ignore_DB
 master-bin.000001	106		
-commit;
-show master status;
+# Switch to connection con1
+COMMIT;
+# Switch to connection con2
+SHOW MASTER STATUS;
 File	Position	Binlog_Do_DB	Binlog_Ignore_DB
 master-bin.000001	106		
-unlock tables;
-drop table t1;
-set autocommit=1;
+UNLOCK TABLES;
+# Switch to connection con1
+DROP TABLE t1;
+SET AUTOCOMMIT=1;
+# Switch to connection default and close connections con1 and con2
diff --git a/mysql-test/r/flush_read_lock_kill.result b/mysql-test/r/flush_read_lock_kill.result
index 0b599f343f7..b16a8b114b3 100644
--- a/mysql-test/r/flush_read_lock_kill.result
+++ b/mysql-test/r/flush_read_lock_kill.result
@@ -1,12 +1,12 @@
-set @old_concurrent_insert= @@global.concurrent_insert;
-set @@global.concurrent_insert= 0;
-drop table if exists t1;
-create table t1 (kill_id int);
-insert into t1 values(connection_id());
-flush tables with read lock;
-select ((@id := kill_id) - kill_id) from t1;
+SET @old_concurrent_insert= @@global.concurrent_insert;
+SET @@global.concurrent_insert= 0;
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1 (kill_id INT);
+INSERT INTO t1 VALUES(connection_id());
+FLUSH TABLES WITH READ LOCK;
+SELECT ((@id := kill_id) - kill_id) FROM t1;
 ((@id := kill_id) - kill_id)
 0
-kill connection @id;
-drop table t1;
-set @@global.concurrent_insert= @old_concurrent_insert;
+KILL CONNECTION @id;
+DROP TABLE t1;
+SET @@global.concurrent_insert= @old_concurrent_insert;
diff --git a/mysql-test/r/lock_multi.result b/mysql-test/r/lock_multi.result
index a0e3d9fad06..50e37d28dd6 100644
--- a/mysql-test/r/lock_multi.result
+++ b/mysql-test/r/lock_multi.result
@@ -51,10 +51,10 @@ Field	Type	Null	Key	Default	Extra
 a	int(11)	YES		NULL	
 unlock tables;
 drop table t1;
-use mysql;
+USE mysql;
 LOCK TABLES columns_priv WRITE, db WRITE, host WRITE, user WRITE;
 FLUSH TABLES;
-use mysql;
+USE mysql;
 SELECT user.Select_priv FROM user, db WHERE user.user = db.user LIMIT 1;
 OPTIMIZE TABLES columns_priv, db, host, user;
 Table	Op	Msg_type	Msg_text
@@ -65,7 +65,7 @@ mysql.user	optimize	status	OK
 UNLOCK TABLES;
 Select_priv
 N
-use test;
+USE test;
 use test;
 CREATE TABLE t1 (c1 int);
 LOCK TABLE t1 WRITE;
@@ -133,8 +133,8 @@ DROP TABLE t1;
 End of 5.0 tests
 create table t1 (i int);
 lock table t1 read;
-update t1 set i= 10;;
-select * from t1;;
+update t1 set i= 10;
+select * from t1;
 kill query ID;
 i
 ERROR 70100: Query execution was interrupted
diff --git a/mysql-test/r/mysqlbinlog.result b/mysql-test/r/mysqlbinlog.result
index 1efa944bf9b..34d695a0272 100644
--- a/mysql-test/r/mysqlbinlog.result
+++ b/mysql-test/r/mysqlbinlog.result
@@ -391,9 +391,9 @@ DELIMITER ;
 ROLLBACK /* added by mysqlbinlog */;
 /*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;
 CREATE TABLE t1 (c1 CHAR(10));
-flush logs;
+FLUSH LOGS;
 INSERT INTO t1 VALUES ('0123456789');
-flush logs;
+FLUSH LOGS;
 DROP TABLE t1;
 We expect this value to be 1
 The bug being tested was that 'Query' lines were not preceded by '#'
@@ -403,16 +403,16 @@ SELECT COUNT(*) AS `BUG#28293_expect_1` FROM patch WHERE a LIKE '%Query%';
 BUG#28293_expect_1
 1
 DROP TABLE patch;
-flush logs;
-create table t1(a int);
-insert into t1 values(connection_id());
-flush logs;
-drop table t1;
+FLUSH LOGS;
+CREATE TABLE t1(a INT);
+INSERT INTO t1 VALUES(connection_id());
+FLUSH LOGS;
+DROP TABLE t1;
 1
-drop table t1;
+DROP TABLE t1;
 shell> mysqlbinlog std_data/corrupt-relay-bin.000624 > var/tmp/bug31793.sql
-flush logs;
-BUG#31611: Security risk with BINLOG statement
+FLUSH LOGS;
+Bug#31611 Security risk with BINLOG statement
 SET BINLOG_FORMAT=ROW;
 CREATE DATABASE mysqltest1;
 CREATE USER untrusted@localhost;
@@ -435,7 +435,7 @@ a	b
 1	root@localhost
 DROP DATABASE mysqltest1;
 DROP USER untrusted@localhost;
-BUG#32580: mysqlbinlog cannot read binlog event with user variables
+Bug#32580 mysqlbinlog cannot read binlog event with user variables
 USE test;
 SET BINLOG_FORMAT = STATEMENT;
 FLUSH LOGS;
@@ -460,15 +460,15 @@ an_int	1000
 a_decimal	907.79
 a_string	Just a test
 DROP TABLE t1;
-set @@global.server_id= 4294967295;
-reset master;
-flush logs;
-select
-(@a:=load_file("MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog"))
-is not null;
-(@a:=load_file("MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog"))
-is not null
+SET @@global.server_id= 4294967295;
+RESET MASTER;
+FLUSH LOGS;
+SELECT
+(@a:=LOAD_FILE("MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog"))
+IS NOT NULL;
+(@a:=LOAD_FILE("MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog"))
+IS NOT NULL
 1
 *** Unsigned server_id 4294967295 is found: 1 ***
-set @@global.server_id= 1;
+SET @@global.server_id= 1;
 End of 5.1 tests
diff --git a/mysql-test/r/mysqltest.result b/mysql-test/r/mysqltest.result
index a61f25058d9..a9c20e34517 100644
--- a/mysql-test/r/mysqltest.result
+++ b/mysql-test/r/mysqltest.result
@@ -743,10 +743,12 @@ select 1;
 -- a comment for the server;
 mysqltest: At line 1: Found line beginning with --  that didn't contain a valid mysqltest command, check your syntax or use # if you intended to write a comment
 con1
+con2
 default
 con1
-default
-con1
+con2
 con1
+con2
+con2
 -closed_connection-
 End of tests
diff --git a/mysql-test/r/read_only.result b/mysql-test/r/read_only.result
index 558e0356c5a..7b28da5a577 100644
--- a/mysql-test/r/read_only.result
+++ b/mysql-test/r/read_only.result
@@ -128,7 +128,7 @@ set global read_only=0;
 drop table t1,t2;
 drop user test@localhost;
 #
-# Bug #27440 read_only allows create and drop database
+# Bug#27440 read_only allows create and drop database
 #
 set global read_only= 1;
 drop database if exists mysqltest_db1;
diff --git a/mysql-test/r/show_check.result b/mysql-test/r/show_check.result
index d707ebaeba5..e6550bee954 100644
--- a/mysql-test/r/show_check.result
+++ b/mysql-test/r/show_check.result
@@ -545,9 +545,9 @@ mysqltest	CREATE DATABASE `mysqltest` /*!40100 DEFAULT CHARACTER SET latin1 */
 drop table mysqltest.t1;
 drop database mysqltest;
 set names binary;
-delete from mysql.user 
+delete from mysql.user
 where user='mysqltest_1' || user='mysqltest_2' || user='mysqltest_3';
-delete from mysql.db   
+delete from mysql.db
 where user='mysqltest_1' || user='mysqltest_2' || user='mysqltest_3';
 flush privileges;
 CREATE TABLE t1 (i int, KEY (i)) ENGINE=MEMORY;
@@ -664,7 +664,7 @@ show create table t1;
 ERROR HY000: Incorrect information in file: './test/t1.frm'
 drop table if exists t1;
 
-# Bug#12183: SHOW OPEN TABLES behavior doesn't match grammar.
+# Bug#12183 SHOW OPEN TABLES behavior doesn't match grammar.
 
 DROP DATABASE IF EXISTS mysqltest1;
 CREATE DATABASE mysqltest1;
@@ -784,7 +784,7 @@ show status like 'slow_queries';
 Variable_name	Value
 Slow_queries	1
 create table t1 (a int);
-create trigger tr1 before insert on t1 for each row 
+create trigger tr1 before insert on t1 for each row
 begin
 end;
 create view v1 as select a from t1;
@@ -1010,7 +1010,7 @@ def			TRIGGERS	DATABASE_COLLATION	Database Collation	253	96	17	N	1	0	33
 Trigger	Event	Table	Statement	Timing	Created	sql_mode	Definer	character_set_client	collation_connection	Database Collation
 t1_bi	INSERT	t1	SET @a = 1	BEFORE	NULL		root@localhost	binary	binary	latin1_swedish_ci
 ----------------------------------------------------------------
-SELECT 
+SELECT
 TRIGGER_CATALOG,
 TRIGGER_SCHEMA,
 TRIGGER_NAME,
diff --git a/mysql-test/r/skip_name_resolve.result b/mysql-test/r/skip_name_resolve.result
index 8ef52e75238..47741fed250 100644
--- a/mysql-test/r/skip_name_resolve.result
+++ b/mysql-test/r/skip_name_resolve.result
@@ -5,10 +5,10 @@ GRANT USAGE ON *.* TO 'mysqltest_1'@'127.0.0.1/255.255.255.255'
 GRANT ALL PRIVILEGES ON `test`.* TO 'mysqltest_1'@'127.0.0.1/255.255.255.255'
 REVOKE ALL ON test.* FROM mysqltest_1@'127.0.0.1/255.255.255.255';
 DROP USER mysqltest_1@'127.0.0.1/255.255.255.255';
-select user();
-user()
+SELECT USER();
+USER()
 #
-show processlist;
+SHOW PROCESSLIST;
 Id	User	Host	db	Command	Time	State	Info
 <id>	root	<host>	test	<command>	<time>	<state>	<info>
 <id>	root	<host>	test	<command>	<time>	<state>	<info>
diff --git a/mysql-test/r/sp-security.result b/mysql-test/r/sp-security.result
index 66177395ac9..65c94577a57 100644
--- a/mysql-test/r/sp-security.result
+++ b/mysql-test/r/sp-security.result
@@ -342,12 +342,12 @@ GRANT SUPER ON *.* TO mysqltest_2@localhost;
 GRANT ALL PRIVILEGES ON mysqltest.* TO mysqltest_2@localhost;
 
 ---> connection: mysqltest_2_con
-use mysqltest;
+USE mysqltest;
 CREATE PROCEDURE wl2897_p1() SELECT 1;
 CREATE FUNCTION wl2897_f1() RETURNS INT RETURN 1;
 
 ---> connection: mysqltest_1_con
-use mysqltest;
+USE mysqltest;
 CREATE DEFINER=root@localhost PROCEDURE wl2897_p2() SELECT 2;
 ERROR 42000: Access denied; you need the SUPER privilege for this operation
 CREATE DEFINER=root@localhost FUNCTION wl2897_f2() RETURNS INT RETURN 2;
@@ -363,7 +363,7 @@ Warnings:
 Note	1449	The user specified as a definer ('a @ b @ c'@'localhost') does not exist
 
 ---> connection: con1root
-use mysqltest;
+USE mysqltest;
 SHOW CREATE PROCEDURE wl2897_p1;
 Procedure	sql_mode	Create Procedure	character_set_client	collation_connection	Database Collation
 wl2897_p1		CREATE DEFINER=`mysqltest_2`@`localhost` PROCEDURE `wl2897_p1`()
@@ -393,7 +393,7 @@ CREATE USER mysqltest_2@localhost;
 GRANT ALL PRIVILEGES ON mysqltest.* TO mysqltest_2@localhost;
 
 ---> connection: mysqltest_1_con
-use mysqltest;
+USE mysqltest;
 CREATE PROCEDURE bug13198_p1()
 SELECT 1;
 CREATE FUNCTION bug13198_f1() RETURNS INT
@@ -406,7 +406,7 @@ bug13198_f1()
 1
 
 ---> connection: mysqltest_2_con
-use mysqltest;
+USE mysqltest;
 CALL bug13198_p1();
 1
 1
@@ -418,7 +418,7 @@ bug13198_f1()
 DROP USER mysqltest_1@localhost;
 
 ---> connection: mysqltest_2_con
-use mysqltest;
+USE mysqltest;
 CALL bug13198_p1();
 ERROR HY000: The user specified as a definer ('mysqltest_1'@'localhost') does not exist
 SELECT bug13198_f1();
@@ -435,7 +435,7 @@ Host	User	Password
 localhost	user19857	*82DC221D557298F6CE9961037DB1C90604792F5C
 
 ---> connection: mysqltest_2_con
-use test;
+USE test;
 CREATE PROCEDURE sp19857() DETERMINISTIC
 BEGIN
 DECLARE a INT;
diff --git a/mysql-test/r/view.result b/mysql-test/r/view.result
index 38d05ae84fe..0905fc0109b 100644
--- a/mysql-test/r/view.result
+++ b/mysql-test/r/view.result
@@ -1673,9 +1673,9 @@ INSERT INTO t2 VALUES (4,3,'n');
 INSERT INTO t2 VALUES (6,1,'n');
 INSERT INTO t2 VALUES (8,1,'y');
 CREATE VIEW v1 AS SELECT * FROM t1;
-SELECT a.col1,a.col2,b.col2,b.col3 
+SELECT a.col1,a.col2,b.col2,b.col3
 FROM t1 a LEFT JOIN t2 b ON a.col1=b.col1
-WHERE b.col2 IS NULL OR 
+WHERE b.col2 IS NULL OR
 b.col2=(SELECT MAX(col2) FROM t2 b WHERE b.col1=a.col1);
 col1	col2	col2	col3
 1	trudy	2	y
@@ -1687,9 +1687,9 @@ col1	col2	col2	col3
 7	carsten	NULL	NULL
 8	ranger	1	y
 10	matt	NULL	NULL
-SELECT a.col1,a.col2,b.col2,b.col3 
+SELECT a.col1,a.col2,b.col2,b.col3
 FROM v1 a LEFT JOIN t2 b ON a.col1=b.col1
-WHERE b.col2 IS NULL OR 
+WHERE b.col2 IS NULL OR
 b.col2=(SELECT MAX(col2) FROM t2 b WHERE b.col1=a.col1);
 col1	col2	col2	col3
 1	trudy	2	y
@@ -1743,7 +1743,7 @@ A	A
 2	2
 3	3
 create table t3 as select a a,a b from t2;
-create view v2 as select * from t3 where 
+create view v2 as select * from t3 where
 a in (select * from t1) or b in (select * from t2);
 select * from v2 A, v2 B where A.a = B.b;
 a	b	a	b
@@ -1999,7 +1999,7 @@ dkjhgd
 drop view v1;
 create table t1 (f59 int, f60 int, f61 int);
 insert into t1 values (19,41,32);
-create view v1 as select f59, f60 from t1 where f59 in  
+create view v1 as select f59, f60 from t1 where f59 in
 (select f59 from t1);
 update v1 set f60=2345;
 ERROR HY000: The target table v1 of the UPDATE is not updatable
@@ -2115,7 +2115,7 @@ pid int NOT NULL
 INSERT INTO t1 VALUES(1,'a','b'), (2,'c','d');
 INSERT INTO t2 values (1,1), (2,1), (2,2);
 CREATE VIEW v1 AS SELECT t1.*,t2.pid FROM t1,t2 WHERE t1.aid = t2.aid;
-SELECT pid,GROUP_CONCAT(CONCAT(fn,' ',ln) ORDER BY 1) FROM t1,t2 
+SELECT pid,GROUP_CONCAT(CONCAT(fn,' ',ln) ORDER BY 1) FROM t1,t2
 WHERE t1.aid = t2.aid GROUP BY pid;
 pid	GROUP_CONCAT(CONCAT(fn,' ',ln) ORDER BY 1)
 1	a b,c d
@@ -2217,7 +2217,7 @@ group_name varchar(32) NOT NULL
 ) engine = InnoDB;
 create table t2 (
 r_object_id char(16) NOT NULL,
-i_position int(11) NOT NULL, 
+i_position int(11) NOT NULL,
 users_names varchar(32) default NULL
 ) Engine = InnoDB;
 create view v1 as select r_object_id, group_name from t1;
@@ -2230,7 +2230,7 @@ insert into t1 values('120001a080000542','tstgroup1');
 insert into t2 values('120001a080000542',-1, 'guser01');
 insert into t2 values('120001a080000542',-2, 'guser02');
 select v1.r_object_id, v2.users_names from v1, v2
-where (v1.group_name='tstgroup1') and v2.r_object_id=v1.r_object_id 
+where (v1.group_name='tstgroup1') and v2.r_object_id=v1.r_object_id
 order by users_names;
 r_object_id	users_names
 120001a080000542	guser01
@@ -2380,8 +2380,8 @@ create table t4 (x int, y int, z int);
 create view v1 as
 select t1.x
 from (
-(t1 join t2 on ((t1.y = t2.y))) 
-join 
+(t1 join t2 on ((t1.y = t2.y)))
+join
 (t3 left join t4 on (t3.y = t4.y) and (t3.z = t4.z))
 );
 prepare stmt1 from "select count(*) from v1 where x = ?";
@@ -2557,12 +2557,12 @@ Warnings:
 Warning	1052	Column 'x' in group statement is ambiguous
 DROP VIEW v1;
 DROP TABLE t1;
-drop table if exists t1; 
-drop view if exists v1; 
-create table t1 (id int); 
-create view v1 as select * from t1; 
-drop table t1; 
-show create view v1; 
+drop table if exists t1;
+drop view if exists v1;
+create table t1 (id int);
+create view v1 as select * from t1;
+drop table t1;
+show create view v1;
 drop view v1;
 //
 View	Create View	character_set_client	collation_connection
@@ -2609,7 +2609,7 @@ DROP VIEW v2;
 DROP TABLE t1, t2;
 CREATE TABLE t1 (id int NOT NULL PRIMARY KEY,
 td date DEFAULT NULL, KEY idx(td));
-INSERT INTO t1 VALUES 
+INSERT INTO t1 VALUES
 (1, '2005-01-01'), (2, '2005-01-02'), (3, '2005-01-02'),
 (4, '2005-01-03'), (5, '2005-01-04'), (6, '2005-01-05'),
 (7, '2005-01-05'), (8, '2005-01-05'), (9, '2005-01-06');
@@ -2973,10 +2973,10 @@ drop view v1;
 drop table t1;
 CREATE TABLE t1(pk int PRIMARY KEY);
 CREATE TABLE t2(pk int PRIMARY KEY, fk int, ver int, org int);
-CREATE ALGORITHM=MERGE VIEW v1 AS 
+CREATE ALGORITHM=MERGE VIEW v1 AS
 SELECT t1.*
-FROM t1 JOIN t2 
-ON t2.fk = t1.pk AND 
+FROM t1 JOIN t2
+ON t2.fk = t1.pk AND
 t2.ver = (SELECT MAX(t.ver) FROM t2 t WHERE t.org = t2.org);
 SHOW WARNINGS;
 Level	Code	Message
@@ -3306,7 +3306,7 @@ name char(10) NOT NULL
 INSERT INTO t1 (lid, name) VALUES
 (1, 'YES'), (2, 'NO');
 CREATE TABLE t2 (
-id int NOT NULL PRIMARY KEY, 
+id int NOT NULL PRIMARY KEY,
 gid int NOT NULL,
 lid int NOT NULL,
 dt date
@@ -3405,8 +3405,8 @@ CREATE TABLE t1 (id int);
 CREATE TABLE t2 (id int, c int DEFAULT 0);
 INSERT INTO t1 (id) VALUES (1);
 INSERT INTO t2 (id) VALUES (1);
-CREATE VIEW v1 AS 
-SELECT t2.c FROM t1, t2 
+CREATE VIEW v1 AS
+SELECT t2.c FROM t1, t2
 WHERE t1.id=t2.id AND 1 IN (SELECT id FROM t1) WITH CHECK OPTION;
 UPDATE v1 SET c=1;
 DROP VIEW v1;
@@ -3514,7 +3514,7 @@ role_name varchar(100) default NULL,
 app_name varchar(40) NOT NULL,
 INDEX idx_app_name(app_name)
 );
-CREATE VIEW v1 AS 
+CREATE VIEW v1 AS
 SELECT profile.person_id AS person_id
 FROM t1 profile, t2 userrole, t3 role
 WHERE userrole.person_id = profile.person_id AND
@@ -3526,7 +3526,7 @@ INSERT INTO  t1 VALUES
 (-717462680,'ENTS Ta','0'), (-904346964,'ndard SQL\n','0');
 INSERT INTO t2 VALUES
 (1,3,6),(2,4,7),(3,5,8),(4,6,9),(5,1,6),(6,1,7),(7,1,8),(8,1,9),(9,1,10);
-INSERT INTO t3 VALUES 
+INSERT INTO t3 VALUES
 (1,'NUCANS_APP_USER','NUCANSAPP'),(2,'NUCANS_TRGAPP_USER','NUCANSAPP'),
 (3,'IA_INTAKE_COORDINATOR','IACANS'),(4,'IA_SCREENER','IACANS'),
 (5,'IA_SUPERVISOR','IACANS'),(6,'IA_READONLY','IACANS'),
@@ -3552,7 +3552,7 @@ i
 2
 3
 4
-select table_name, is_updatable from information_schema.views 
+select table_name, is_updatable from information_schema.views
 where table_name = 'v1';
 table_name	is_updatable
 v1	NO
@@ -3598,8 +3598,8 @@ DROP VIEW v2;
 DROP VIEW v3;
 DROP TABLE t1;
 #
-# Bug#29477: Not all fields of the target table were checked to have
-#            a default value when inserting into a view.
+# Bug#29477 Not all fields of the target table were checked to have
+#           a default value when inserting into a view.
 #
 create table t1(f1 int, f2 int not null);
 create view v1 as select f1 from t1;
@@ -3616,7 +3616,7 @@ drop table t1;
 create table t1 (a int, key(a));
 create table t2 (c int);
 create view v1 as select a b from t1;
-create view v2 as select 1 a from t2, v1 where c in 
+create view v2 as select 1 a from t2, v1 where c in
 (select 1 from t1 where b = a);
 insert into t1 values (1), (1);
 insert into t2 values (1), (1);
@@ -3638,7 +3638,7 @@ MAX(a)	COUNT(DISTINCT a)
 DROP VIEW v1;
 DROP TABLE t1;
 # -----------------------------------------------------------------
-# -- Bug#34337: Server crash when Altering a view using a table name.
+# -- Bug#34337 Server crash when Altering a view using a table name.
 # -----------------------------------------------------------------
 
 DROP TABLE IF EXISTS t1;
@@ -3655,8 +3655,8 @@ DROP TABLE t1;
 # -- End of test case for Bug#34337.
 
 # -----------------------------------------------------------------
-# -- Bug#35193: VIEW query is rewritten without "FROM DUAL",
-# --            causing syntax error
+# -- Bug#35193 VIEW query is rewritten without "FROM DUAL",
+# --           causing syntax error
 # -----------------------------------------------------------------
 
 CREATE VIEW v1 AS SELECT 1 FROM DUAL WHERE 1;
@@ -3723,7 +3723,7 @@ DROP DATABASE `d-1`;
 USE test;
 
 #
-# Bug#26676: VIEW using old table schema in a session.
+# Bug#26676 VIEW using old table schema in a session.
 #
 
 DROP VIEW IF EXISTS v1;
@@ -3765,7 +3765,7 @@ DROP TABLE t1;
 # End of test case for Bug#26676.
 
 # -----------------------------------------------------------------
-# -- Bug#32538: View definition picks up character set, but not collation
+# -- Bug#32538 View definition picks up character set, but not collation
 # -----------------------------------------------------------------
 
 DROP VIEW IF EXISTS v1;
diff --git a/mysql-test/r/view_grant.result b/mysql-test/r/view_grant.result
index 1ae94926928..7e280fa2fe5 100644
--- a/mysql-test/r/view_grant.result
+++ b/mysql-test/r/view_grant.result
@@ -646,7 +646,7 @@ CREATE DATABASE test2;
 CREATE TABLE test1.t0 (a VARCHAR(20));
 CREATE TABLE test2.t1 (a VARCHAR(20));
 CREATE VIEW  test2.t3 AS SELECT * FROM test1.t0;
-CREATE OR REPLACE VIEW test.v1 AS 
+CREATE OR REPLACE VIEW test.v1 AS
 SELECT ta.a AS col1, tb.a AS col2 FROM test2.t3 ta, test2.t1 tb;
 DROP VIEW test.v1;
 DROP VIEW test2.t3;
@@ -790,7 +790,7 @@ v3	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VI
 DROP USER u26813@localhost;
 DROP DATABASE db26813;
 #
-# Bug#29908: A user can gain additional access through the ALTER VIEW.
+# Bug#29908 A user can gain additional access through the ALTER VIEW.
 #
 CREATE DATABASE mysqltest_29908;
 USE mysqltest_29908;
@@ -1043,3 +1043,4 @@ DROP VIEW v1, v2;
 DROP DATABASE mysqltest1;
 DROP VIEW test.v3;
 DROP USER mysqluser1@localhost;
+USE test;
diff --git a/mysql-test/t/alter_table-big.test b/mysql-test/t/alter_table-big.test
index 5d2c0ba0bb6..1dcc1f1c9bd 100644
--- a/mysql-test/t/alter_table-big.test
+++ b/mysql-test/t/alter_table-big.test
@@ -9,10 +9,9 @@
 # in proper order.
 --source include/have_binlog_format_mixed_or_statement.inc
 
-
 #
-# Test for bug #25044 "ALTER TABLE ... ENABLE KEYS acquires global
-# 'opening tables' lock".
+# Test for Bug#25044 ALTER TABLE ... ENABLE KEYS acquires global
+#                    'opening tables' lock
 #
 # ALTER TABLE ... ENABLE KEYS should not acquire LOCK_open mutex for
 # the whole its duration as it prevents other queries from execution.
@@ -56,6 +55,7 @@ show binlog events in 'master-bin.000001' from 106;
 
 # Clean up
 drop tables t1, t2;
+disconnect addconroot;
 
 
 --echo End of 5.0 tests
@@ -76,6 +76,7 @@ create table t1 (i int);
 reset master;
 set session debug="+d,sleep_alter_before_main_binlog";
 --send alter table t1 change i c char(10) default 'Test1';
+connect (addconroot, localhost, root,,);
 connection addconroot;
 --sleep 2
 insert into t1 values ();
@@ -105,6 +106,7 @@ connection addconroot;
 rename table t1 to t3;
 connection default;
 --reap
+disconnect addconroot;
 drop table t3;
 set session debug="-d,sleep_alter_before_main_binlog";
 
@@ -114,3 +116,4 @@ show binlog events in 'master-bin.000001' from 106;
 
 
 --echo End of 5.1 tests
+
diff --git a/mysql-test/t/connect.test b/mysql-test/t/connect.test
index 0893bf9ad18..f609240646a 100644
--- a/mysql-test/t/connect.test
+++ b/mysql-test/t/connect.test
@@ -9,11 +9,14 @@
 # of the log tables (which are CSV-based). By connect mysql; show tables;
 --source include/have_csv.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
+
 --disable_warnings
 drop table if exists t1,t2;
 --enable_warnings
 
-
 #connect (con1,localhost,root,,"");
 #show tables;
 connect (con1,localhost,root,,mysql);
@@ -22,12 +25,16 @@ connect (con2,localhost,root,,test);
 show tables;
 
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
---error 1045
+--error ER_ACCESS_DENIED_ERROR
 connect (fail_con,localhost,root,z,test2);
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
---error 1045
+--error ER_ACCESS_DENIED_ERROR
 connect (fail_con,localhost,root,z,);
 
+connection default;
+disconnect con1;
+disconnect con2;
+
 grant ALL on *.* to test@localhost identified by "gambling";
 grant ALL on *.* to test@127.0.0.1 identified by "gambling";
 
@@ -39,20 +46,23 @@ show tables;
 connect (con4,localhost,test,gambling,test);
 show tables;
 
+connection default;
+disconnect con3;
+disconnect con4;
+
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
---error 1045
+--error ER_ACCESS_DENIED_ERROR
 connect (fail_con,localhost,test,,test2);
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
---error 1045
+--error ER_ACCESS_DENIED_ERROR
 connect (fail_con,localhost,test,,"");
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
---error 1045
+--error ER_ACCESS_DENIED_ERROR
 connect (fail_con,localhost,test,zorro,test2);
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
---error 1045
+--error ER_ACCESS_DENIED_ERROR
 connect (fail_con,localhost,test,zorro,);
 
-
 # check if old password version also works
 update mysql.user set password=old_password("gambling2") where user=_binary"test";
 flush privileges;
@@ -61,55 +71,57 @@ connect (con10,localhost,test,gambling2,);
 connect (con5,localhost,test,gambling2,mysql);
 connection con5;
 set password="";
---error 1372
+--error ER_PASSWD_LENGTH
 set password='gambling3';
 set password=old_password('gambling3');
 show tables;
 connect (con6,localhost,test,gambling3,test);
 show tables;
 
+connection default;
+disconnect con10;
+disconnect con5;
+disconnect con6;
+
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
---error 1045
+--error ER_ACCESS_DENIED_ERROR
 connect (fail_con,localhost,test,,test2);
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
---error 1045
+--error ER_ACCESS_DENIED_ERROR
 connect (fail_con,localhost,test,,);
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
---error 1045
+--error ER_ACCESS_DENIED_ERROR
 connect (fail_con,localhost,test,zorro,test2);
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
---error 1045
+--error ER_ACCESS_DENIED_ERROR
 connect (fail_con,localhost,test,zorro,);
 
 
 # remove user 'test' so that other tests which may use 'test'
 # do not depend on this test.
-
 delete from mysql.user where user=_binary"test";
 flush privileges;
 
 #
-# Bug#12517: Clear user variables and replication events before 
-#            closing temp tables in thread cleanup.
+# Bug#12517 Clear user variables and replication events before
+#           closing temp tables in thread cleanup.
 connect (con7,localhost,root,,test);
 connection con7;
+let $connection_id= `select connection_id()`;
 create table t1 (id integer not null auto_increment primary key);
 create temporary table t2(id integer not null auto_increment primary key);
 set @id := 1;
 delete from t1 where id like @id;
-disconnect con7;
---sleep 5
 connection default;
+disconnect con7;
+# Wait till the session con7 is disconnected
+let $wait_condition =
+  SELECT COUNT(*) = 0
+  FROM information_schema.processlist
+  WHERE  id = '$connection_id';
+--source include/wait_condition.inc
 drop table t1;
 
---disconnect con1
---disconnect con2
---disconnect con3
---disconnect con4
---disconnect con5
---disconnect con6
---disconnect con10
-
 --echo # ------------------------------------------------------------------
 --echo # -- End of 4.1 tests
 --echo # ------------------------------------------------------------------
@@ -147,7 +159,7 @@ let $wait_condition =
 --echo # -- Check that we allow exactly three user connections, no matter how
 --echo # -- many threads are running.
 
---echo 
+--echo
 --echo # -- Connecting (1)...
 let $con_name = con_1;
 let $con_user_name = mysqltest_u1;
@@ -237,7 +249,7 @@ DROP USER mysqltest_u1@localhost;
 
 ###########################################################################
 
---echo # -- Bug#35074: max_used_connections is not correct. 
+--echo # -- Bug#35074: max_used_connections is not correct.
 --echo
 
 FLUSH STATUS;
@@ -250,11 +262,7 @@ SHOW STATUS LIKE 'max_used_connections';
 SET GLOBAL event_scheduler = ON;
 
 --echo # -- Waiting for Event Scheduler to start...
-let $wait_condition =
-  SELECT COUNT(*) = 1
-  FROM information_schema.processlist
-  WHERE user = 'event_scheduler';
---source include/wait_condition.inc
+--source include/running_event_scheduler.inc
 
 # NOTE: We should use a new connection here instead of reconnect in order to
 # avoid races (we can not for sure when the connection being disconnected is
@@ -278,11 +286,7 @@ SHOW STATUS LIKE 'max_used_connections';
 SET GLOBAL event_scheduler = OFF;
 
 --echo # -- Waiting for Event Scheduler to stop...
-let $wait_condition =
-  SELECT COUNT(*) = 0
-  FROM information_schema.processlist
-  WHERE user = 'event_scheduler';
---source include/wait_condition.inc
+--source include/no_running_events.inc
 
 --echo
 --echo # -- End of Bug#35074.
@@ -291,3 +295,7 @@ let $wait_condition =
 --echo # ------------------------------------------------------------------
 --echo # -- End of 5.1 tests
 --echo # ------------------------------------------------------------------
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+
diff --git a/mysql-test/t/consistent_snapshot.test b/mysql-test/t/consistent_snapshot.test
index 8da8e9ce660..82edf2e22b2 100644
--- a/mysql-test/t/consistent_snapshot.test
+++ b/mysql-test/t/consistent_snapshot.test
@@ -1,43 +1,61 @@
--- source include/have_innodb.inc
+--source include/have_innodb.inc
+
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
 
 --disable_warnings
-drop table if exists t1;
+DROP TABLE IF EXISTS t1;
 --enable_warnings
 
+--echo # Establish connection con1 (user=root)
 connect (con1,localhost,root,,);
+--echo # Establish connection con2 (user=root)
 connect (con2,localhost,root,,);
 
 ### Test 1:
 ### - While a consistent snapshot transaction is executed,
 ###   no external inserts should be visible to the transaction.
 
+--echo # Switch to connection con1
 connection con1;
-create table t1 (a int) engine=innodb;
-start transaction with consistent snapshot;
+CREATE TABLE t1 (a INT) ENGINE=innodb;
+START TRANSACTION WITH CONSISTENT SNAPSHOT;
 
+--echo # Switch to connection con2
 connection con2;
-insert into t1 values(1);
+INSERT INTO t1 VALUES(1);
 
+--echo # Switch to connection con1
 connection con1;
-select * from t1; # if consistent snapshot was set as expected, we
+SELECT * FROM t1; # if consistent snapshot was set as expected, we
 # should see nothing.
-commit;
+COMMIT;
 
 ### Test 2:
 ### - For any non-consistent snapshot transaction, external
 ###   committed inserts should be visible to the transaction.
 
-delete from t1;
-start transaction; # Now we omit WITH CONSISTENT SNAPSHOT
+DELETE FROM t1;
+START TRANSACTION; # Now we omit WITH CONSISTENT SNAPSHOT
 
+--echo # Switch to connection con2
 connection con2;
-insert into t1 values(1);
+INSERT INTO t1 VALUES(1);
 
+--echo # Switch to connection con1
 connection con1;
-select * from t1; # if consistent snapshot was not set, as expected, we
+SELECT * FROM t1; # if consistent snapshot was not set, as expected, we
 # should see 1.
-commit;
+COMMIT;
 
-drop table t1;
+--echo # Switch to connection default + close connections con1 and con2
+connection default;
+disconnect con1;
+disconnect con2;
+DROP TABLE t1;
 
 # End of 4.1 tests
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+
diff --git a/mysql-test/t/dirty_close.test b/mysql-test/t/dirty_close.test
index f1c2c88ae83..1bbd53e8c06 100644
--- a/mysql-test/t/dirty_close.test
+++ b/mysql-test/t/dirty_close.test
@@ -1,3 +1,7 @@
+
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 connect (con1,localhost,root,,);
 connect (con2,localhost,root,,);
 connection con1;
@@ -5,12 +9,19 @@ dirty_close con1;
 connection con2;
 
 --disable_warnings
-drop table if exists t1;
+DROP TABLE IF EXISTS t1;
 --enable_warnings
 
-create table t1 (n int);
-insert into t1 values (1),(2),(3);
-select * from t1;
-drop table t1;
+CREATE TABLE t1 (n INT);
+INSERT INTO t1 VALUES (1),(2),(3);
+SELECT * FROM t1;
+DROP TABLE t1;
+
+connection default;
+disconnect con2;
 
 # End of 4.1 tests
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+
diff --git a/mysql-test/t/flush_block_commit.test b/mysql-test/t/flush_block_commit.test
index 0c1d2b82df6..74892def63f 100644
--- a/mysql-test/t/flush_block_commit.test
+++ b/mysql-test/t/flush_block_commit.test
@@ -4,74 +4,106 @@
 # This is intended to mimick how mysqldump and innobackup work.
 
 # And it requires InnoDB
--- source include/have_innodb.inc
+--source include/have_innodb.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
+--echo # Establish connection con1 (user=root)
 connect (con1,localhost,root,,);
+--echo # Establish connection con2 (user=root)
 connect (con2,localhost,root,,);
+--echo # Establish connection con3 (user=root)
 connect (con3,localhost,root,,);
+--echo # Switch to connection con1
 connection con1;
 
 --disable_warnings
-drop table if exists t1;
+DROP TABLE IF EXISTS t1;
 --enable_warnings
-create table t1 (a int) engine=innodb;
+CREATE TABLE t1 (a INT) ENGINE=innodb;
 
 # blocks COMMIT ?
 
-begin;
-insert into t1 values(1);
+BEGIN;
+INSERT INTO t1 VALUES(1);
+--echo # Switch to connection con2
 connection con2;
-flush tables with read lock;
-select * from t1;
+FLUSH TABLES WITH READ LOCK;
+SELECT * FROM t1;
+--echo # Switch to connection con1
 connection con1;
-send commit; # blocked by con2
+send COMMIT; # blocked by con2
 sleep 1;
+--echo # Switch to connection con2
 connection con2;
-select * from t1; # verify con1 was blocked and data did not move
-unlock tables;
+SELECT * FROM t1; # verify con1 was blocked and data did not move
+UNLOCK TABLES;
+--echo # Switch to connection con1
 connection con1;
 reap;
 
 # No deadlock ?
 
+--echo # Switch to connection con1
 connection con1;
-begin;
-select * from t1 for update;
+BEGIN;
+SELECT * FROM t1 FOR UPDATE;
+--echo # Switch to connection con2
 connection con2;
-begin;
-send select * from t1 for update; # blocked by con1
+BEGIN;
+send SELECT * FROM t1 FOR UPDATE; # blocked by con1
 sleep 1;
+--echo # Switch to connection con3
 connection con3;
-send flush tables with read lock; # blocked by con2
+send FLUSH TABLES WITH READ LOCK; # blocked by con2
+--echo # Switch to connection con1
 connection con1;
-commit; # should not be blocked by con3
+COMMIT; # should not be blocked by con3
+--echo # Switch to connection con2
 connection con2;
 reap;
+--echo # Switch to connection con3
 connection con3;
 reap;
-unlock tables;
+UNLOCK TABLES;
 
-# BUG#6732 FLUSH TABLES WITH READ LOCK + COMMIT hangs later FLUSH TABLES
-# WITH READ LOCK
+# Bug#6732 FLUSH TABLES WITH READ LOCK + COMMIT hangs later FLUSH TABLES
+#          WITH READ LOCK
 
+--echo # Switch to connection con2
 connection con2;
-commit; # unlock InnoDB row locks to allow insertions
+COMMIT; # unlock InnoDB row locks to allow insertions
+--echo # Switch to connection con1
 connection con1;
-begin;
-insert into t1 values(10);
-flush tables with read lock;
-commit;
-unlock tables;
+BEGIN;
+INSERT INTO t1 VALUES(10);
+FLUSH TABLES WITH READ LOCK;
+COMMIT;
+UNLOCK TABLES;
+--echo # Switch to connection con2
 connection con2;
-flush tables with read lock; # bug caused hang here
-unlock tables;
+FLUSH TABLES WITH READ LOCK; # bug caused hang here
+UNLOCK TABLES;
 
-# BUG#7358 SHOW CREATE DATABASE fails if open transaction
+# Bug#7358 SHOW CREATE DATABASE fails if open transaction
 
-begin;
-select * from t1;
-show create database test;
+BEGIN;
+SELECT * FROM t1;
+SHOW CREATE DATABASE test;
 
-drop table t1;
+DROP TABLE t1;
+
+
+# Cleanup
+--echo # Switch to connection default and close connections con1, con2, con3
+connection default;
+disconnect con1;
+disconnect con2;
+disconnect con3;
 
 # End of 4.1 tests
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+
diff --git a/mysql-test/t/flush_block_commit_notembedded.test b/mysql-test/t/flush_block_commit_notembedded.test
index 4a0300acf78..aea38250218 100644
--- a/mysql-test/t/flush_block_commit_notembedded.test
+++ b/mysql-test/t/flush_block_commit_notembedded.test
@@ -3,32 +3,51 @@
 # We verify that we did not introduce a deadlock.
 # This is intended to mimick how mysqldump and innobackup work.
 
--- source include/have_log_bin.inc
+--source include/have_log_bin.inc
 
 # And it requires InnoDB
--- source include/have_log_bin.inc
--- source include/have_innodb.inc
+--source include/have_log_bin.inc
+--source include/have_innodb.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
+
+--echo # Establish connection con1 (user=root)
 connect (con1,localhost,root,,);
+--echo # Establish connection con2 (user=root)
 connect (con2,localhost,root,,);
 
 # FLUSH TABLES WITH READ LOCK should block writes to binlog too
+--echo # Switch to connection con1
 connection con1;
-create table t1 (a int) engine=innodb;
-reset master;
-set autocommit=0;
-insert t1 values (1);
+CREATE TABLE t1 (a INT) ENGINE=innodb;
+RESET MASTER;
+SET AUTOCOMMIT=0;
+INSERT t1 VALUES (1);
+--echo # Switch to connection con2
 connection con2;
-flush tables with read lock;
-show master status;
+FLUSH TABLES WITH READ LOCK;
+SHOW MASTER STATUS;
+--echo # Switch to connection con1
 connection con1;
-send commit;
+send COMMIT;
+--echo # Switch to connection con2
 connection con2;
 sleep 1;
-show master status;
-unlock tables;
+SHOW MASTER STATUS;
+UNLOCK TABLES;
+--echo # Switch to connection con1
 connection con1;
 reap;
-drop table t1;
-set autocommit=1;
+DROP TABLE t1;
+SET AUTOCOMMIT=1;
+
+--echo # Switch to connection default and close connections con1 and con2
+connection default;
+disconnect con1;
+disconnect con2;
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
 
diff --git a/mysql-test/t/flush_read_lock_kill.test b/mysql-test/t/flush_read_lock_kill.test
index c03f3be2534..aeb09d52460 100644
--- a/mysql-test/t/flush_read_lock_kill.test
+++ b/mysql-test/t/flush_read_lock_kill.test
@@ -8,24 +8,27 @@
 # won't test anything interesting).
 
 # This also won't work with the embedded server test
--- source include/not_embedded.inc
+--source include/not_embedded.inc
 
--- source include/have_debug.inc
+--source include/have_debug.inc
+
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
 
 # Disable concurrent inserts to avoid test failures when reading the
 # connection id which was inserted into a table by another thread.
-set @old_concurrent_insert= @@global.concurrent_insert;
-set @@global.concurrent_insert= 0;
+SET @old_concurrent_insert= @@global.concurrent_insert;
+SET @@global.concurrent_insert= 0;
 
 connect (con1,localhost,root,,);
 connect (con2,localhost,root,,);
 connection con1;
 
 --disable_warnings
-drop table if exists t1;
+DROP TABLE IF EXISTS t1;
 --enable_warnings
-create table t1 (kill_id int);
-insert into t1 values(connection_id());
+CREATE TABLE t1 (kill_id INT);
+INSERT INTO t1 VALUES(connection_id());
 
 # Thanks to the parameter we passed to --debug, this FLUSH will
 # block on a debug build running with our --debug=make_global... It
@@ -33,11 +36,11 @@ insert into t1 values(connection_id());
 # --debug) it will succeed immediately
 
 connection con1;
-send flush tables with read lock;
+send FLUSH TABLES WITH READ LOCK;
 
 # kill con1
 connection con2;
-select ((@id := kill_id) - kill_id) from t1; 
+SELECT ((@id := kill_id) - kill_id) FROM t1;
 
 # Wait for the debug sync point, test won't run on non-debug
 # builds anyway.
@@ -47,7 +50,7 @@ let $wait_condition=
   and info = "flush tables with read lock";
 --source include/wait_condition.inc
 
-kill connection @id;
+KILL CONNECTION @id;
 
 connection con1;
 # On debug builds it will be error 1053 (killed); on non-debug, or
@@ -58,8 +61,14 @@ connection con1;
 reap;
 
 connection con2;
-drop table t1;
+DROP TABLE t1;
+
 connection default;
+disconnect con2;
 
 # Restore global concurrent_insert value
-set @@global.concurrent_insert= @old_concurrent_insert;
+SET @@global.concurrent_insert= @old_concurrent_insert;
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+
diff --git a/mysql-test/t/init_connect.test b/mysql-test/t/init_connect.test
index 0a08559279c..b6bac5f65fa 100644
--- a/mysql-test/t/init_connect.test
+++ b/mysql-test/t/init_connect.test
@@ -5,6 +5,9 @@
 # should work with embedded server after mysqltest is fixed
 --source include/not_embedded.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 --source include/add_anonymous_users.inc
 
 connect (con0,localhost,root,,);
@@ -233,7 +236,8 @@ connect (con1,localhost,mysqltest1,,);
 connection con1;
 select * from t1;
 
-connection con0;
+connection default;
+disconnect con0;
 disconnect con1;
 
 drop trigger trg1;
@@ -244,3 +248,7 @@ set global init_connect="set @a='a\\0c'";
 revoke all privileges, grant option from mysqltest1@localhost;
 drop user mysqltest1@localhost;
 drop table t1, t2;
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+
diff --git a/mysql-test/t/lock_multi.test b/mysql-test/t/lock_multi.test
index 08747b0f92e..586cfb174be 100644
--- a/mysql-test/t/lock_multi.test
+++ b/mysql-test/t/lock_multi.test
@@ -1,4 +1,8 @@
 -- source include/not_embedded.inc
+
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 --disable_warnings
 drop table if exists t1,t2;
 --enable_warnings
@@ -14,14 +18,18 @@ create table t1(n int);
 insert into t1 values (1);
 lock tables t1 write;
 connection writer;
-send update low_priority t1 set n = 4;
+send
+update low_priority t1 set n = 4;
 connection reader;
+# Sleep a bit till the update of connection writer is in work and hangs
 let $wait_condition=
   select count(*) = 1 from information_schema.processlist
   where state = "Locked" and info = "update low_priority t1 set n = 4";
 --source include/wait_condition.inc
-send select n from t1;
+send
+select n from t1;
 connection locker;
+# Sleep a bit till the select of connection reader is in work and hangs
 let $wait_condition=
   select count(*) = 1 from information_schema.processlist
   where state = "Locked" and info = "select n from t1";
@@ -38,8 +46,10 @@ create table t1(n int);
 insert into t1 values (1);
 lock tables t1 read;
 connection writer;
-send update low_priority t1 set n = 4;
+send
+update low_priority t1 set n = 4;
 connection reader;
+# Sleep a bit till the update of connection writer is in work and hangs
 let $wait_condition=
   select count(*) = 1 from information_schema.processlist
   where state = "Locked" and info = "update low_priority t1 set n = 4";
@@ -72,7 +82,7 @@ drop table t1;
 drop table t2;
 
 #
-# Test problem when using locks on many tables and droping a table that
+# Test problem when using locks on many tables and dropping a table that
 # is to-be-locked by another thread
 #
 #
@@ -81,7 +91,8 @@ create table t1 (a int);
 create table t2 (a int);
 lock table t1 write, t2 write;
 connection reader;
-send insert t1 select * from t2;
+send
+insert t1 select * from t2;
 connection locker;
 let $wait_condition=
   select count(*) = 1 from information_schema.processlist
@@ -89,7 +100,7 @@ let $wait_condition=
 --source include/wait_condition.inc
 drop table t2;
 connection reader;
---error 1146
+--error ER_NO_SUCH_TABLE
 reap;
 connection locker;
 drop table t1;
@@ -103,15 +114,17 @@ create table t1 (a int);
 create table t2 (a int);
 lock table t1 write, t2 write, t1 as t1_2 write, t2 as t2_2 write;
 connection reader;
-send insert t1 select * from t2;
+send
+insert t1 select * from t2;
 connection locker;
+# Sleep a bit till the insert of connection reader is in work and hangs
 let $wait_condition=
   select count(*) = 1 from information_schema.processlist
   where state = "Locked" and info = "insert t1 select * from t2";
 --source include/wait_condition.inc
 drop table t2;
 connection reader;
---error 1146
+--error ER_NO_SUCH_TABLE
 reap;
 connection locker;
 drop table t1;
@@ -120,7 +133,7 @@ drop table t1;
 --echo End of 4.1 tests
 
 #
-# BUG#9998 - MySQL client hangs on USE "database"
+# Bug#9998 MySQL client hangs on USE "database"
 #
 create table t1(a int);
 lock tables t1 write;
@@ -131,26 +144,28 @@ unlock tables;
 drop table t1;
 
 #
-# Bug#16986 - Deadlock condition with MyISAM tables
+# Bug#16986 Deadlock condition with MyISAM tables
 #
 
 # Need a matching user in mysql.user for multi-table select
 --source include/add_anonymous_users.inc
 
 connection locker;
-use mysql;
+USE mysql;
 LOCK TABLES columns_priv WRITE, db WRITE, host WRITE, user WRITE;
 FLUSH TABLES;
 #
 connection reader;
-use mysql;
-#NOTE:  This must be a multi-table select, otherwise the deadlock will not occur
-send SELECT user.Select_priv FROM user, db WHERE user.user = db.user LIMIT 1;
+USE mysql;
+# Note:  This must be a multi-table select, otherwise the deadlock will not occur
+send
+SELECT user.Select_priv FROM user, db WHERE user.user = db.user LIMIT 1;
 #
 connection locker;
+# Sleep a bit till the select of connection reader is in work and hangs
 let $wait_condition=
   select count(*) = 1 from information_schema.processlist
-  where state = "Waiting for table" and info = 
+  where state = "Waiting for table" and info =
   "SELECT user.Select_priv FROM user, db WHERE user.user = db.user LIMIT 1";
 --source include/wait_condition.inc
 # Make test case independent from earlier grants.
@@ -160,7 +175,7 @@ UNLOCK TABLES;
 #
 connection reader;
 reap;
-use test;
+USE test;
 #
 connection locker;
 use test;
@@ -175,9 +190,11 @@ LOCK TABLE t1 WRITE;
 #
 # This waits until t1 is unlocked.
 connection locker;
-send FLUSH TABLES WITH READ LOCK;
+send
+FLUSH TABLES WITH READ LOCK;
 #
 connection writer;
+# Sleep a bit till the flush of connection locker is in work and hangs
 let $wait_condition=
   select count(*) = 1 from information_schema.processlist
   where state = "Flushing tables" and info = "FLUSH TABLES WITH READ LOCK";
@@ -202,15 +219,17 @@ LOCK TABLE t1 WRITE;
 #
 # This waits until t1 is unlocked.
 connection locker;
-send FLUSH TABLES WITH READ LOCK;
+send
+FLUSH TABLES WITH READ LOCK;
 #
 # This must not block.
 connection writer;
+# Sleep a bit till the flush of connection locker is in work and hangs
 let $wait_condition=
   select count(*) = 1 from information_schema.processlist
   where state = "Flushing tables" and info = "FLUSH TABLES WITH READ LOCK";
 --source include/wait_condition.inc
---error 1100
+--error ER_TABLE_NOT_LOCKED
 CREATE TABLE t2 AS SELECT * FROM t1;
 UNLOCK TABLES;
 #
@@ -225,7 +244,7 @@ DROP TABLE t1;
 --source include/delete_anonymous_users.inc
 
 #
-# Bug#19815 - CREATE/RENAME/DROP DATABASE can deadlock on a global read lock
+# Bug#19815 CREATE/RENAME/DROP DATABASE can deadlock on a global read lock
 #
 connect (con1,localhost,root,,);
 connect (con2,localhost,root,,);
@@ -237,7 +256,8 @@ FLUSH TABLES WITH READ LOCK;
 # With bug in place: acquire LOCK_mysql_create_table and
 # wait in wait_if_global_read_lock().
 connection con2;
-send DROP DATABASE mysqltest_1;
+send
+DROP DATABASE mysqltest_1;
 #
 # With bug in place: try to acquire LOCK_mysql_create_table...
 # When fixed: Reject dropping db because of the read lock.
@@ -263,7 +283,7 @@ disconnect con2;
 DROP DATABASE mysqltest_1;
 
 #
-# Bug #17264: MySQL Server freeze
+# Bug#17264 MySQL Server freeze
 #
 connection locker;
 # Disable warnings to allow test to run also without InnoDB
@@ -272,14 +292,18 @@ create table t1 (f1 int(12) unsigned not null auto_increment, primary key(f1)) e
 --enable_warnings
 lock tables t1 write;
 connection writer;
-send alter table t1 auto_increment=0;
+send
+alter table t1 auto_increment=0;
 connection reader;
+# Wait till connection writer is blocked
 let $wait_condition=
   select count(*) = 1 from information_schema.processlist
   where state = "Locked" and info = "alter table t1 auto_increment=0";
 --source include/wait_condition.inc
-send alter table t1 auto_increment=0;
+send
+alter table t1 auto_increment=0;
 connection locker;
+# Wait till connection reader is blocked
 let $wait_condition=
   select count(*) = 2 from information_schema.processlist
   where state = "Locked" and info = "alter table t1 auto_increment=0";
@@ -293,8 +317,8 @@ connection locker;
 drop table t1;
 
 #
-# Bug #38691: segfault/abort in ``UPDATE ...JOIN'' while
-#             ``FLUSH TABLES WITH READ LOCK''
+# Bug#38691 segfault/abort in ``UPDATE ...JOIN'' while
+#           ``FLUSH TABLES WITH READ LOCK''
 #
 
 --connection default
@@ -365,7 +389,7 @@ while ($i) {
   dec $i;
 
 --connection locker
---error 0,1060
+--error 0,ER_DUP_FIELDNAME
   ALTER TABLE t2 ADD COLUMN a int(11) unsigned default NULL;
   UPDATE t2 SET a=b;
 
@@ -373,11 +397,11 @@ while ($i) {
 --send UPDATE t2 INNER JOIN (t1 JOIN t3 USING(a)) USING(a) SET a = NULL WHERE t1.b <> t2.b
 
 --connection locker
---error 0,1091
+--error 0,ER_CANT_DROP_FIELD_OR_KEY
   ALTER TABLE t2 DROP COLUMN a;
 
 --connection writer
---error 0,1054
+--error 0,ER_BAD_FIELD_ERROR
 --reap
 }
 --enable_query_log
@@ -390,7 +414,7 @@ while ($i) {
   dec $i;
 
 --connection locker
---error 0,1060
+--error 0,ER_DUP_FIELDNAME
   ALTER TABLE t2 ADD COLUMN a int(11) unsigned default NULL;
   UPDATE t2 SET a=b;
 
@@ -399,11 +423,11 @@ while ($i) {
 --send EXECUTE stmt
 
 --connection locker
---error 0,1091
+--error 0,ER_CANT_DROP_FIELD_OR_KEY
   ALTER TABLE t2 DROP COLUMN a;
 
 --connection writer
---error 0,1054
+--error 0,ER_BAD_FIELD_ERROR
 --reap
 
 }
@@ -411,9 +435,10 @@ while ($i) {
 --connection default
 DROP TABLE t1, t2, t3;
 
+
 #
-# Bug#38499: flush tables and multitable table update with derived table cause 
-#            crash
+# Bug#38499 flush tables and multitable table update with derived table cause
+#           crash
 #
 
 CREATE TABLE t1( a INT, b INT );
@@ -471,7 +496,7 @@ while ($i) {
   dec $i;
 
 --connection locker
---error 0,1060
+--error 0,ER_DUP_FIELDNAME
   ALTER TABLE t1 ADD COLUMN a int(11) unsigned default NULL;
   UPDATE t1 SET a=b;
 
@@ -479,11 +504,11 @@ while ($i) {
 --send UPDATE t1, (SELECT 1 FROM t1 t1i) d SET a = 0 WHERE 1=0;
 
 --connection locker
---error 0,1091
+--error 0,ER_CANT_DROP_FIELD_OR_KEY
   ALTER TABLE t1 DROP COLUMN a;
 
 --connection writer
---error 0,1054 # unknown column error
+--error 0,ER_BAD_FIELD_ERROR # unknown column error
 --reap
 }
 --enable_query_log
@@ -496,7 +521,7 @@ while ($i) {
   dec $i;
 
 --connection locker
---error 0,1060
+--error 0,ER_DUP_FIELDNAME
   ALTER TABLE t1 ADD COLUMN a INT;
   UPDATE t1 SET a=b;
 
@@ -505,11 +530,11 @@ while ($i) {
 --send EXECUTE stmt
 
 --connection locker
---error 0,1091
+--error 0,ER_CANT_DROP_FIELD_OR_KEY
   ALTER TABLE t1 DROP COLUMN a;
 
 --connection writer
---error 0,1054 # Unknown column 'a' in 'field list'
+--error 0,ER_BAD_FIELD_ERROR # Unknown column 'a' in 'field list'
 --reap
 }
 --enable_query_log
@@ -568,7 +593,7 @@ while ($i) {
   dec $i;
 
 --connection locker
---error 0,1060
+--error 0,ER_DUP_FIELDNAME
   ALTER TABLE t1 ADD COLUMN a int(11) unsigned default NULL;
   UPDATE t1 SET a=b;
 
@@ -576,11 +601,11 @@ while ($i) {
 --send UPDATE t1, ((SELECT 1 FROM t1 t1i) UNION (SELECT 2 FROM t1 t1ii)) e SET a = 0 WHERE 1=0;
 
 --connection locker
---error 0,1091
+--error 0,ER_CANT_DROP_FIELD_OR_KEY
   ALTER TABLE t1 DROP COLUMN a;
 
 --connection writer
---error 0,1054 # Unknown column 'a' in 'field list'
+--error 0,ER_BAD_FIELD_ERROR # Unknown column 'a' in 'field list'
 --reap
 }
 --enable_query_log
@@ -593,7 +618,7 @@ while ($i) {
   dec $i;
 
 --connection locker
---error 0,1060
+--error 0,ER_DUP_FIELDNAME
   ALTER TABLE t1 ADD COLUMN a INT;
   UPDATE t1 SET a=b;
 
@@ -602,11 +627,11 @@ while ($i) {
 --send EXECUTE stmt
 
 --connection locker
---error 0,1091
+--error 0,ER_CANT_DROP_FIELD_OR_KEY
   ALTER TABLE t1 DROP COLUMN a;
 
 --connection writer
---error 0,1054 # Unknown column 'a' in 'field list'
+--error 0,ER_BAD_FIELD_ERROR # Unknown column 'a' in 'field list'
 --reap
 }
 --enable_query_log
@@ -617,20 +642,22 @@ DROP TABLE t1;
 
 
 #
-# Bug #21281 "Pending write lock is incorrectly removed when its
-#             statement being KILLed"
+# Bug#21281 Pending write lock is incorrectly removed when its
+#           statement being KILLed
 #
 create table t1 (i int);
 connection locker;
 lock table t1 read;
 connection writer;
---send update t1 set i= 10;
+send
+update t1 set i= 10;
 connection reader;
 let $wait_condition=
   select count(*) = 1 from information_schema.processlist
   where state = "Locked" and info = "update t1 set i= 10";
 --source include/wait_condition.inc
---send select * from t1;
+send
+select * from t1;
 connection default;
 let $wait_condition=
   select count(*) = 1 from information_schema.processlist
@@ -642,7 +669,7 @@ eval kill query $ID;
 connection reader;
 --reap
 connection writer;
---error ER_QUERY_INTERRUPTED 
+--error ER_QUERY_INTERRUPTED
 --reap
 connection locker;
 unlock tables;
@@ -650,7 +677,7 @@ connection default;
 drop table t1;
 
 #
-# Bug#25856 - HANDLER table OPEN in one connection lock DROP TABLE in another one
+# Bug#25856 HANDLER table OPEN in one connection lock DROP TABLE in another one
 #
 --disable_warnings
 drop table if exists t1;
@@ -658,12 +685,19 @@ drop table if exists t1;
 create table t1 (a int) ENGINE=MEMORY;
 --echo --> client 2
 connection locker;
---error 1031
+--error ER_ILLEGAL_HA
 handler t1 open;
 --echo --> client 1
 connection default;
 drop table t1;
 
+
+# Disconnect sessions used in many subtests above
+disconnect locker;
+disconnect reader;
+disconnect writer;
+
+
 #
 # Bug#32395 Alter table under a impending global read lock causes a server crash
 #
@@ -764,7 +798,7 @@ disconnect flush;
 drop table t1;
 
 #
-# Bug#30331: Table_locks_waited shows inaccurate values
+# Bug#30331 Table_locks_waited shows inaccurate values
 #
 
 --disable_warnings
@@ -794,3 +828,7 @@ eval SET @tlwb= SUBSTRING_INDEX('$tlwb', '	', -1);
 select @tlwa < @tlwb;
 
 --echo End of 5.1 tests
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+
diff --git a/mysql-test/t/mysqlbinlog.test b/mysql-test/t/mysqlbinlog.test
index d73f4356877..46060649784 100644
--- a/mysql-test/t/mysqlbinlog.test
+++ b/mysql-test/t/mysqlbinlog.test
@@ -24,7 +24,7 @@ insert into t2 values ();
 # set @a:=1
 # insert into t2 values (@a);
 
-# test for load data and load data distributed among the several 
+# test for load data and load data distributed among the several
 # files (we need to fill up first binlog)
 load data infile '../../std_data/words.dat' into table t1;
 load data infile '../../std_data/words.dat' into table t1;
@@ -109,7 +109,7 @@ select "--- --position --" as "";
 --replace_regex /SQL_LOAD_MB-[0-9]-[0-9]/SQL_LOAD_MB-#-#/
 --exec $MYSQL_BINLOG --short-form --local-load=$MYSQLTEST_VARDIR/tmp/ --read-from-remote-server --position=239 --user=root --host=127.0.0.1 --port=$MASTER_MYPORT master-bin.000002
 
-# Bug#7853 (mysqlbinlog does not accept input from stdin)
+# Bug#7853 mysqlbinlog does not accept input from stdin
 --disable_query_log
 select "--- reading stdin --" as "";
 --enable_query_log
@@ -123,7 +123,7 @@ select "--- reading stdin --" as "";
 drop table t1,t2;
 
 #
-#BUG#14157: utf8 encoding in binlog without set character_set_client
+# Bug#14157 utf8 encoding in binlog without set character_set_client
 #
 flush logs;
 --write_file $MYSQLTEST_VARDIR/tmp/bug14157.sql
@@ -136,8 +136,8 @@ EOF
 --exec $MYSQL test < $MYSQLTEST_VARDIR/tmp/bug14157.sql
 --remove_file $MYSQLTEST_VARDIR/tmp/bug14157.sql
 
-# resulted binlog, parly consisting of multi-byte utf8 chars, 
-# must be digestable for both client and server. In 4.1 the client 
+# resulted binlog, parly consisting of multi-byte utf8 chars,
+# must be digestable for both client and server. In 4.1 the client
 # should use default-character-set same as the server.
 flush logs;
 --exec $MYSQL_BINLOG --short-form $MYSQLD_DATADIR/master-bin.000004 | $MYSQL
@@ -164,7 +164,7 @@ select * from t5 order by c1;
 drop table t5;
 
 #
-# Bug#20396 Bin Log does not get DELIMETER cmd - Recover StoredProc fails 
+# Bug#20396 Bin Log does not get DELIMETER cmd - Recover StoredProc fails
 #
 --disable_warnings
 drop procedure if exists p1;
@@ -180,7 +180,7 @@ delimiter ;//
 flush logs;
 call p1();
 drop procedure p1;
---error ER_SP_DOES_NOT_EXIST 
+--error ER_SP_DOES_NOT_EXIST
 call p1();
 --replace_regex /SQL_LOAD_MB-[0-9]-[0-9]/SQL_LOAD_MB-#-#/
 --exec $MYSQL_BINLOG --short-form $MYSQLD_DATADIR/master-bin.000008
@@ -223,14 +223,14 @@ flush logs;
 
 #
 # Bug#28293 missed '#' sign in the hex dump when the dump length
-# is divisible by 16.
+#           is divisible by 16.
 #
 
 CREATE TABLE t1 (c1 CHAR(10));
 # we need this for getting fixed timestamps inside of this test
-flush logs;
+FLUSH LOGS;
 INSERT INTO t1 VALUES ('0123456789');
-flush logs;
+FLUSH LOGS;
 DROP TABLE t1;
 
 # We create a table, patch, and load the output into it
@@ -238,11 +238,11 @@ DROP TABLE t1;
 # We can easily see if a 'Query' line is missing the '#' character
 # as described in the original bug
 
---disable_query_log 
-CREATE TABLE patch (a blob);
+--disable_query_log
+CREATE TABLE patch (a BLOB);
 --exec $MYSQL_BINLOG --hexdump --local-load=$MYSQLTEST_VARDIR/tmp/ $MYSQLD_DATADIR/master-bin.000012 > $MYSQLTEST_VARDIR/tmp/mysqlbinlog_tmp.dat
 eval LOAD DATA LOCAL INFILE '$MYSQLTEST_VARDIR/tmp/mysqlbinlog_tmp.dat'
-     INTO TABLE patch FIELDS TERMINATED by '' LINES STARTING BY '#';
+     INTO TABLE patch FIELDS TERMINATED BY '' LINES STARTING BY '#';
 --remove_file $MYSQLTEST_VARDIR/tmp/mysqlbinlog_tmp.dat
 --enable_query_log
 
@@ -254,40 +254,42 @@ SELECT COUNT(*) AS `BUG#28293_expect_1` FROM patch WHERE a LIKE '%Query%';
 DROP TABLE patch;
 
 #
-# Bug #29928: incorrect connection_id() restoring from mysqlbinlog out
+# Bug#29928 incorrect connection_id() restoring from mysqlbinlog out
 #
-flush logs;
-create table t1(a int);
-insert into t1 values(connection_id()); 
-let $a= `select a from t1`;
-flush logs;
---exec $MYSQL_BINLOG $MYSQLD_DATADIR/master-bin.000014 > $MYSQLTEST_VARDIR/tmp/bug29928.sql
-drop table t1;
-connect (con1, localhost, root, , test);                                            
+FLUSH LOGS;
+CREATE TABLE t1(a INT);
+INSERT INTO t1 VALUES(connection_id());
+let $a= `SELECT a FROM t1`;
+FLUSH LOGS;
+let $outfile= $MYSQLTEST_VARDIR/tmp/bug29928.sql;
+--exec $MYSQL_BINLOG $MYSQLD_DATADIR/master-bin.000014 > $outfile
+DROP TABLE t1;
+connect (con1, localhost, root, , test);
 connection con1;
---exec $MYSQL test < $MYSQLTEST_VARDIR/tmp/bug29928.sql
---remove_file $MYSQLTEST_VARDIR/tmp/bug29928.sql
-let $b= `select a from t1`;
+--exec $MYSQL test < $outfile
+--remove_file $outfile
+let $b= `SELECT a FROM t1`;
 disconnect con1;
 connection default;
-let $c= `select $a=$b`;
+let $c= `SELECT $a=$b`;
 --echo $c
-drop table t1;
+DROP TABLE t1;
 
 echo shell> mysqlbinlog std_data/corrupt-relay-bin.000624 > var/tmp/bug31793.sql;
 error 1;
 exec $MYSQL_BINLOG $MYSQL_TEST_DIR/std_data/corrupt-relay-bin.000624 > $MYSQLTEST_VARDIR/tmp/bug31793.sql;
+--remove_file $MYSQLTEST_VARDIR/tmp/bug31793.sql
 
 
 #
 # Test --disable-force-if-open and --force-if-open
 #
-flush logs;
+FLUSH LOGS;
 --error 1
 --exec $MYSQL_BINLOG $MYSQLD_DATADIR/master-bin.000016 >/dev/null 2>/dev/null
 --exec $MYSQL_BINLOG --force-if-open $MYSQLD_DATADIR/master-bin.000016 >/dev/null 2>/dev/null
 
---echo BUG#31611: Security risk with BINLOG statement
+--echo Bug#31611 Security risk with BINLOG statement
 
 SET BINLOG_FORMAT=ROW;
 CREATE DATABASE mysqltest1;
@@ -306,6 +308,7 @@ connect (unsecure,localhost,untrusted,,mysqltest1);
 echo mysql mysqltest1 -uuntrusted < var/tmp/bug31611.sql;
 error 1;
 exec $MYSQL mysqltest1 -uuntrusted < $MYSQLTEST_VARDIR/tmp/bug31611.sql;
+--remove_file $MYSQLTEST_VARDIR/tmp/bug31611.sql
 connection unsecure;
 error ER_TABLEACCESS_DENIED_ERROR;
 INSERT INTO t1 VALUES (1,USER());
@@ -315,7 +318,7 @@ connection default;
 DROP DATABASE mysqltest1;
 DROP USER untrusted@localhost;
 
---echo BUG#32580: mysqlbinlog cannot read binlog event with user variables
+--echo Bug#32580 mysqlbinlog cannot read binlog event with user variables
 
 # Testing that various kinds of events can be read and restored properly.
 
@@ -343,24 +346,25 @@ query_vertical SELECT * FROM t1;
 DROP TABLE t1;
 
 #
-# Bug #37313  	BINLOG Contains Incorrect server id
+# Bug#37313 BINLOG Contains Incorrect server id
 #
 
-let $save_server_id= `select @@global.server_id`;
-let $s_id_max=`select (1 << 32) - 1`;
-eval set @@global.server_id= $s_id_max;
+let $binlog_file=  $MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog;
+let $save_server_id= `SELECT @@global.server_id`;
+let $s_id_max= `SELECT (1 << 32) - 1`;
+eval SET @@global.server_id= $s_id_max;
 
-reset master;
-flush logs;
---exec $MYSQL_BINLOG $MYSQLD_DATADIR/master-bin.000001 > $MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog
+RESET MASTER;
+FLUSH LOGS;
+--exec $MYSQL_BINLOG $MYSQLD_DATADIR/master-bin.000001 > $binlog_file
 --replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
-eval select
-(@a:=load_file("$MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog"))
-is not null;
-let $s_id_unsigned= `select @a like "%server id $s_id_max%" /* must return 1 */`;
+eval SELECT
+(@a:=LOAD_FILE("$binlog_file"))
+IS NOT NULL;
+let $s_id_unsigned= `SELECT @a LIKE "%server id $s_id_max%" /* must return 1 */`;
 echo *** Unsigned server_id $s_id_max is found: $s_id_unsigned ***;
 
-eval set @@global.server_id= $save_server_id;
---remove_file $MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog
+eval SET @@global.server_id= $save_server_id;
+--remove_file $binlog_file
 
 --echo End of 5.1 tests
diff --git a/mysql-test/t/mysqltest.test b/mysql-test/t/mysqltest.test
index 6689a805c5a..55cd041aaf5 100644
--- a/mysql-test/t/mysqltest.test
+++ b/mysql-test/t/mysqltest.test
@@ -6,6 +6,9 @@
 # This test uses chmod, can't be run with root permissions
 -- source include/not_as_root.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 # ============================================================================
 #
 # Test of mysqltest itself
@@ -50,7 +53,7 @@ select otto from (select 1 as otto) as t1;
 
 # ----------------------------------------------------------------------------
 # Negative case(statement):
-# The derived table t1 does not contain a column named 'friedrich' . 
+# The derived table t1 does not contain a column named 'friedrich' .
 # --> ERROR 42S22: Unknown column 'friedrich' in 'field list and
 # --> 1054: Unknown column 'friedrich' in 'field list'
 # ----------------------------------------------------------------------------
@@ -121,7 +124,7 @@ select friedrich from (select 1 as otto) as t1;
 # $mysql_errno is a builtin variable of mysqltest and contains the return code
 # of the last command sent to the server.
 #
-#      The following test cases often initialize $mysql_errno to 1064 by 
+#      The following test cases often initialize $mysql_errno to 1064 by
 #      a command with wrong syntax.
 #      Example: --error 1064      To prevent the abort after the error.
 #               garbage ;
@@ -485,7 +488,7 @@ remove_file $MYSQLTEST_VARDIR/tmp/mysqltest.sql;
 
 # Allow trailing # comment
 --sleep 1 # Wait for insert delayed to be executed.
---sleep 1 	 # Wait for insert delayed to be executed.
+--sleep 1        # Wait for insert delayed to be executed.
 
 # ----------------------------------------------------------------------------
 # Test error
@@ -707,7 +710,7 @@ echo Not a banana: $cat;
 --error 1
 --exec echo "let hi;" | $MYSQL_TEST  2>&1
 
-# More advanced test for bug#17280
+# More advanced test for Bug#17280
 let $success= 1;
 --echo # Execute: --echo # <whatever> success: \$success
 --echo # <whatever> success: $success
@@ -1386,12 +1389,12 @@ connection default;
 
 
 # ----------------------------------------------------------------------------
-# TODO Test queries, especially their errormessages... so it's easy to debug 
+# TODO Test queries, especially their errormessages... so it's easy to debug
 # new scripts and diagnose errors
 # ----------------------------------------------------------------------------
 
 # ----------------------------------------------------------------------------
-# Test bug#12386
+# Test Bug#12386
 # ----------------------------------------------------------------------------
 let $num= 2;
 while ($num)
@@ -1407,7 +1410,7 @@ SELECT 1 as a;
 
 
 #
-# Bug #10251: Identifiers containing quotes not handled correctly
+# Bug#10251 Identifiers containing quotes not handled correctly
 #
 select 1 as `a'b`, 2 as `a"b`;
 
@@ -1428,7 +1431,7 @@ let $message= `SELECT USER()`;
 
 # The message contains more then 80 characters on multiple lines
 # and is kept between double quotes.
-let $message= 
+let $message=
 "Here comes a very very long message that
     - is longer then 80 characters    and
     - consists of several lines";
@@ -1465,6 +1468,8 @@ remove_file $MYSQLTEST_VARDIR/tmp/zero_length_file.result;
 --error 0,1
 remove_file $MYSQLTEST_VARDIR/tmp/zero_length_file.reject;
 --error 0,1
+remove_file $MYSQLTEST_VARDIR/tmp/zero_length_file.log;
+--error 0,1
 remove_file $MYSQL_TEST_DIR/r/zero_length_file.reject;
 
 #
@@ -1487,8 +1492,8 @@ remove_file $MYSQLTEST_VARDIR/tmp/query.sql;
 #--exec $MYSQL_TEST -x $MYSQLTEST_VARDIR/tmp/query.sql -R $MYSQLTEST_VARDIR/tmp/result_file.result 2>&1
 
 #
-# Bug #11731 mysqltest in multi-statement queries ignores errors in
-#            non-1st queries
+# Bug#11731 mysqltest in multi-statement queries ignores errors in
+#           non-1st queries
 #
 
 echo Failing multi statement query;
@@ -1539,7 +1544,7 @@ remove_file $MYSQLTEST_VARDIR/log/bug11731.log;
 remove_file $MYSQLTEST_VARDIR/tmp/bug11731.sql;
 
 #
-# Bug#19890  	mysqltest: "query" command is broken
+# Bug#19890 mysqltest "query" command is broken
 #
 
 # It should be possible to use the command "query" to force mysqltest to
@@ -1565,7 +1570,7 @@ select "at" as col1, "c" as col2;
 select "at" as col1, "AT" as col2, "c" as col3;
 
 --replace_regex /a/b/ /ct/d/
-select "a" as col1, "ct" as col2; 
+select "a" as col1, "ct" as col2;
 
 --replace_regex /(strawberry)/raspberry and \1/ /blueberry/blackberry/ /potato/tomato/;
 select "strawberry","blueberry","potato";
@@ -1583,7 +1588,7 @@ select "strawberry","blueberry","potato";
 --error 1
 --exec echo "--replace_regex /a b c" | $MYSQL_TEST 2>&1
 --error 1
---exec echo "replace_regex /a /b c ;" | $MYSQL_TEST 2>&1 
+--exec echo "replace_regex /a /b c ;" | $MYSQL_TEST 2>&1
 
 # REQUIREMENT
 #   replace_regex should replace substitutions from left to right in output
@@ -1954,7 +1959,7 @@ SELECT '2' as "my_col1",2 as "my_col2"
 UNION
 SELECT '1',1 from t2;
 
-# 9. Ensure that several result formatting options including "sorted_result" 
+# 9. Ensure that several result formatting options including "sorted_result"
 #    - have all an effect
 #    - "--sorted_result" does not need to be direct before the statement
 #    - Row sorting is applied after modification of the column content
@@ -2170,15 +2175,15 @@ remove_file $MYSQLTEST_VARDIR/tmp/testdir/file3.txt;
 rmdir $MYSQLTEST_VARDIR/tmp/testdir;
 
 #
-# Bug #36041: mysql-test-run doesn't seem to string match 100% effectively
-# on Windows
+# Bug#36041 mysql-test-run doesn't seem to string match 100% effectively
+#           on Windows
 #
 
 --replace_result c:\\a.txt z
 SELECT 'c:\\a.txt' AS col;
 
 #
-# Bug #32307  	mysqltest - does not detect illegal if syntax
+# Bug#32307 mysqltest - does not detect illegal if syntax
 #
 
 let $test= 1;
@@ -2212,12 +2217,14 @@ select 1;
 
 
 # ----------------------------------------------------------------------------
-# BUG#35701: please allow test language variables in connection and sync_slave_with_master
+# BUG#35701 please allow test language variables in connection and sync_slave_with_master
 # Test that "connection $variable" works and that $CURRENT_CONNECTION has the right value.
 # ----------------------------------------------------------------------------
 
 connect (con1,localhost,root,,);
 --echo $CURRENT_CONNECTION
+connect (con2,localhost,root,,);
+--echo $CURRENT_CONNECTION
 
 connection default;
 --echo $CURRENT_CONNECTION
@@ -2225,8 +2232,11 @@ connection default;
 connection con1;
 --echo $CURRENT_CONNECTION
 
-let $x= default;
-let $y= con1;
+connection con2;
+--echo $CURRENT_CONNECTION
+
+let $x= con1;
+let $y= con2;
 
 connection $x;
 --echo $CURRENT_CONNECTION
@@ -2245,3 +2255,6 @@ disconnect $y;
 
 --echo End of tests
 
+connection default;
+# Wait till we reached the initial number of concurrent sessions
+--source include/wait_until_count_sessions.inc
diff --git a/mysql-test/t/read_only.test b/mysql-test/t/read_only.test
index 5a498404b03..abc016bafce 100644
--- a/mysql-test/t/read_only.test
+++ b/mysql-test/t/read_only.test
@@ -3,10 +3,12 @@
 
 # should work with embedded server after mysqltest is fixed
 --source include/not_embedded.inc
---source include/count_sessions.inc
 
 set @start_read_only= @@global.read_only;
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 --disable_warnings
 DROP TABLE IF EXISTS t1,t2,t3;
 --enable_warnings
@@ -110,7 +112,7 @@ drop table t1;
 insert into t1 values(1);
 
 #
-# BUG#11733: COMMITs should not happen if read-only is set
+# Bug#11733 COMMITs should not happen if read-only is set
 #
 
 # LOCK TABLE ... WRITE / READ_ONLY
@@ -238,8 +240,9 @@ set global read_only=1;
 connection default;
 select @@global.read_only;
 unlock tables;
+disconnect root2;
 
-# BUG #22077 "DROP TEMPORARY TABLE fails with wrong error if read_only is set"
+# Bug#22077 DROP TEMPORARY TABLE fails with wrong error if read_only is set
 #
 # check if DROP TEMPORARY on a non-existing temporary table returns the right
 # error
@@ -256,10 +259,12 @@ drop temporary table if exists ttt;
 --echo connection default;
 connection default;
 set global read_only=0;
+disconnect con1;
 drop table t1,t2;
 drop user test@localhost;
+
 --echo #
---echo # Bug #27440 read_only allows create and drop database
+--echo # Bug#27440 read_only allows create and drop database
 --echo #
 set global read_only= 1;
 --disable_warnings
@@ -297,7 +302,7 @@ delete from mysql.columns_priv where User like 'mysqltest_%';
 flush privileges;
 drop database mysqltest_db1;
 set global read_only= @start_read_only;
-disconnect con1;
-disconnect root2;
+
+# Wait till all disconnects are completed
 --source include/wait_until_count_sessions.inc
 
diff --git a/mysql-test/t/show_check.test b/mysql-test/t/show_check.test
index e960dbddf02..0ce807ae73e 100644
--- a/mysql-test/t/show_check.test
+++ b/mysql-test/t/show_check.test
@@ -5,6 +5,9 @@
 # depends on the presence of the log tables (which are CSV-based).
 --source include/have_csv.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 #
 # Test of some show commands
 #
@@ -195,7 +198,7 @@ show columns from t1;
 drop table t1;
 
 #
-# Test for Bug #2593 "SHOW CREATE TABLE doesn't properly double quotes"
+# Test for Bug#2593 SHOW CREATE TABLE doesn't properly double quotes
 #
 
 SET @old_sql_mode= @@sql_mode, sql_mode= '';
@@ -223,7 +226,7 @@ CREATE TABLE """a" (i INT);
 SHOW CREATE TABLE """a";
 DROP TABLE """a";
 
-#Bug #4374 SHOW TABLE STATUS FROM ignores collation_connection
+# Bug#4374 SHOW TABLE STATUS FROM ignores collation_connection
 #set names latin1;
 #create database `ä`;
 #create table `ä`.`ä` (a int) engine=heap;
@@ -248,7 +251,7 @@ SET sql_quote_show_create= @old_sql_quote_show_create;
 SET sql_mode= @old_sql_mode;
 
 #
-# Test for bug #2719 "Heap tables status shows wrong or missing data."
+# Test for Bug#2719 Heap tables status shows wrong or missing data.
 #
 
 select @@max_heap_table_size;
@@ -309,7 +312,7 @@ show table status;
 drop table t1, t2, t3;
 
 #
-# Test for bug #3342 SHOW CREATE DATABASE seems to require DROP privilege
+# Test for Bug#3342 SHOW CREATE DATABASE seems to require DROP privilege
 #
 
 create database mysqltest;
@@ -324,35 +327,38 @@ connect (con1,localhost,mysqltest_1,,mysqltest);
 connection con1;
 select * from t1;
 show create database mysqltest;
---error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 drop table t1;
---error 1044
+--error ER_DBACCESS_DENIED_ERROR
 drop database mysqltest;
+disconnect con1;
 
 connect (con2,localhost,mysqltest_2,,test);
 connection con2;
---error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 select * from mysqltest.t1;
---error 1044
+--error ER_DBACCESS_DENIED_ERROR
 show create database mysqltest;
---error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 drop table mysqltest.t1;
---error 1044
+--error ER_DBACCESS_DENIED_ERROR
 drop database mysqltest;
+disconnect con2;
 
 connect (con3,localhost,mysqltest_3,,test);
 connection con3;
---error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 select * from mysqltest.t1;
 show create database mysqltest;
 drop table mysqltest.t1;
 drop database mysqltest;
+disconnect con3;
 
 connection default;
 set names binary;
-delete from mysql.user 
+delete from mysql.user
 where user='mysqltest_1' || user='mysqltest_2' || user='mysqltest_3';
-delete from mysql.db   
+delete from mysql.db
 where user='mysqltest_1' || user='mysqltest_2' || user='mysqltest_3';
 flush privileges;
 
@@ -366,7 +372,7 @@ flush privileges;
 #drop database `ä`;
 
 # Test that USING <keytype> is always shown in SHOW CREATE TABLE when it was
-# specified during table creation, but not otherwise. (Bug #7235)
+# specified during table creation, but not otherwise. (Bug#7235)
 CREATE TABLE t1 (i int, KEY (i)) ENGINE=MEMORY;
 SHOW CREATE TABLE t1;
 DROP TABLE t1;
@@ -397,7 +403,7 @@ ALTER TABLE t1 ENGINE=MEMORY;
 SHOW CREATE TABLE t1;
 DROP TABLE t1;
 
-# Test for BUG#9439 "Reporting wrong datatype for sub_part on show index"
+# Test for Bug#9439 Reporting wrong datatype for sub_part on show index
 CREATE TABLE t1(
   field1 text NOT NULL,
   PRIMARY KEY(field1(1000))
@@ -407,7 +413,7 @@ show index from t1;
 --disable_metadata
 drop table t1;
 
-# Test for BUG#11635: mysqldump exports TYPE instead of USING for HASH
+# Test for Bug#11635 mysqldump exports TYPE instead of USING for HASH
 create table t1 (
   c1 int NOT NULL,
   c2 int NOT NULL,
@@ -417,7 +423,7 @@ create table t1 (
 SHOW CREATE TABLE t1;
 DROP TABLE t1;
 
-# Test for BUG#93: 4.1 protocl crash on corupted frm and SHOW TABLE STATUS
+# Test for Bug#93 4.1 protocl crash on corupted frm and SHOW TABLE STATUS
 
 flush tables;
 
@@ -426,19 +432,19 @@ let $MYSQLD_DATADIR= `select @@datadir`;
 system echo "this is a junk file for test" >> $MYSQLD_DATADIR/test/t1.frm ;
 --replace_column 6 # 7 # 8 # 9 #
 SHOW TABLE STATUS like 't1';
---error 1033
+--error ER_NOT_FORM_FILE
 show create table t1;
 drop table if exists t1;
 --error 1,0
 --remove_file $MYSQLD_DATADIR/test/t1.frm
 
 #
-# BUG 12183 -  SHOW OPEN TABLES behavior doesn't match grammar
+# Bug#12183 SHOW OPEN TABLES behavior doesn't match grammar
 # First we close all open tables with FLUSH tables and then we open some.
 #
 
 --echo
---echo # Bug#12183: SHOW OPEN TABLES behavior doesn't match grammar.
+--echo # Bug#12183 SHOW OPEN TABLES behavior doesn't match grammar.
 --echo
 
 # NOTE: SHOW OPEN TABLES does not sort result list by database or table names.
@@ -497,15 +503,15 @@ use test;
 --echo
 
 #
-# BUG #12591 (SHOW TABLES FROM dbname produces wrong error message)
+# Bug#12591 SHOW TABLES FROM dbname produces wrong error message
 #
---error 1049
+--error ER_BAD_DB_ERROR
 SHOW TABLES FROM non_existing_database;
 
 --echo End of 4.1 tests
 
 #
-# Bug#17203: "sql_no_cache sql_cache" in views created from prepared
+# Bug#17203 "sql_no_cache sql_cache" in views created from prepared
 # statement
 #
 # The problem was that initial user setting was forgotten, and current
@@ -585,7 +591,7 @@ SHOW COLUMNS FROM no_such_table;
 
 
 #
-# Bug #19764: SHOW commands end up in the slow log as table scans
+# Bug#19764 SHOW commands end up in the slow log as table scans
 #
 flush status;
 show status like 'slow_queries';
@@ -597,7 +603,7 @@ select 1 from information_schema.tables limit 1;
 show status like 'slow_queries';
 
 create table t1 (a int);
-create trigger tr1 before insert on t1 for each row 
+create trigger tr1 before insert on t1 for each row
 begin
 end;
 create view v1 as select a from t1;
@@ -657,9 +663,10 @@ drop table t1;
 drop procedure p1;
 drop function f1;
 drop event e1;
+
 #
-# BUG#10491: Server returns data as charset binary SHOW CREATE TABLE or SELECT
-# FROM I_S.
+# Bug#10491 Server returns data as charset binary SHOW CREATE TABLE or SELECT
+#           FROM I_S.
 #
 
 #
@@ -774,7 +781,7 @@ SHOW TRIGGERS LIKE 't1';
 
 --echo ----------------------------------------------------------------
 
-SELECT 
+SELECT
   TRIGGER_CATALOG,
   TRIGGER_SCHEMA,
   TRIGGER_NAME,
@@ -930,7 +937,7 @@ DROP DATABASE mysqltest1;
 use test;
 
 #
-# Bug #28808: log_queries_not_using_indexes variable dynamic change is ignored
+# Bug#28808 log_queries_not_using_indexes variable dynamic change is ignored
 #
 flush status;
 show variables like "log_queries_not_using_indexes";
@@ -946,7 +953,7 @@ select 1 from information_schema.tables limit 1;
 show status like 'slow_queries';
 
 #
-# Bug #30088: Can't disable myisam-recover by a value of ""
+# Bug#30088 Can't disable myisam-recover by a value of ""
 #
 show variables like 'myisam_recover_options';
 
@@ -977,7 +984,8 @@ SHOW AUTHORS;
 --enable_result_log
 
 #
-# Test for bug #9785 SELECT privilege for the whole database is needed to do SHOW CREATE DATABASE
+# Bug#9785 SELECT privilege for the whole database is needed to do
+#          SHOW CREATE DATABASE
 #
 create database mysqltest;
 show create database mysqltest;
@@ -993,6 +1001,8 @@ delete from mysql.db where user='mysqltest_4';
 delete from mysql.tables_priv where user='mysqltest_4';
 flush privileges;
 drop database mysqltest;
+connection default;
+disconnect con4;
 
 #
 # Ensure that show plugin code is tested
@@ -1008,8 +1018,8 @@ show plugins;
 --enable_result_log
 
 #
-# Bug #19874: SHOW COLUMNS and SHOW KEYS handle identifiers containing
-# \ incorrectly
+# Bug#19874 SHOW COLUMNS and SHOW KEYS handle identifiers containing
+#           \ incorrectly
 #
 create database `mysqlttest\1`;
 create table `mysqlttest\1`.`a\b` (a int);
@@ -1021,7 +1031,7 @@ drop table `mysqlttest\1`.`a\b`;
 drop database `mysqlttest\1`;
 
 #
-# Bug#24392: SHOW ENGINE MUTEX STATUS is a synonym for SHOW INNODB STATUS
+# Bug#24392 SHOW ENGINE MUTEX STATUS is a synonym for SHOW INNODB STATUS
 #
 
 --error ER_UNKNOWN_STORAGE_ENGINE
@@ -1107,8 +1117,8 @@ DROP PROCEDURE p1;
 DEALLOCATE PREPARE stmt1;
 
 #
-# BUG#10491: Server returns data as charset binary SHOW CREATE TABLE or SELECT
-# FROM INFORMATION_SCHEMA.
+# Bug#10491 Server returns data as charset binary SHOW CREATE TABLE or SELECT
+#           FROM INFORMATION_SCHEMA.
 #
 # Before the change performed to fix the bug, the metadata of the output of
 # SHOW CREATE statements would always describe the result as 'binary'. That
@@ -1171,16 +1181,16 @@ DROP TABLE t1;
 DROP EVENT ev1;
 
 #
-# Bug #30036: SHOW TABLE TYPES causes the debug client to crash
+# Bug#30036 SHOW TABLE TYPES causes the debug client to crash
 #
 --disable_result_log
 SHOW TABLE TYPES;
 --enable_result_log
 
-#
-# Bug #32710: SHOW INNODB STATUS requires SUPER
-#
 
+#
+# Bug#32710 SHOW INNODB STATUS requires SUPER
+#
 
 CREATE USER test_u@localhost;
 GRANT PROCESS ON *.* TO test_u@localhost;
@@ -1198,3 +1208,7 @@ DROP USER test_u@localhost;
 
 
 --echo End of 5.1 tests
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+
diff --git a/mysql-test/t/skip_name_resolve.test b/mysql-test/t/skip_name_resolve.test
index 3f732c8912b..4e7d927fb15 100644
--- a/mysql-test/t/skip_name_resolve.test
+++ b/mysql-test/t/skip_name_resolve.test
@@ -1,7 +1,10 @@
 # Can't be tested with embedded server
--- source include/not_embedded.inc
+--source include/not_embedded.inc
 
-# Bug #8471: IP address with mask fail when skip-name-resolve is on
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
+# Bug#8471 IP address with mask fail when skip-name-resolve is on
 GRANT ALL ON test.* TO mysqltest_1@'127.0.0.1/255.255.255.255';
 SHOW GRANTS FOR mysqltest_1@'127.0.0.1/255.255.255.255';
 REVOKE ALL ON test.* FROM mysqltest_1@'127.0.0.1/255.255.255.255';
@@ -9,12 +12,17 @@ DROP USER mysqltest_1@'127.0.0.1/255.255.255.255';
 
 # End of 4.1 tests
 
-# Bug #13407 "Remote connecting crashes server".
+# Bug#13407 Remote connecting crashes server
 # Server crashed when one used USER() function in connection for which
 # was impossible to obtain peer hostname.
 connect (con1, 127.0.0.1, root, , test, $MASTER_MYPORT, );
 --replace_column 1 #
-select user();
+SELECT USER();
 --replace_column 1 <id> 3 <host> 5 <command> 6 <time> 7 <state> 8 <info>
-show processlist;
+SHOW PROCESSLIST;
 connection default;
+disconnect con1;
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+
diff --git a/mysql-test/t/sp-security.test b/mysql-test/t/sp-security.test
index b372c05b6e3..a80fe89082a 100644
--- a/mysql-test/t/sp-security.test
+++ b/mysql-test/t/sp-security.test
@@ -5,6 +5,9 @@
 # Can't test with embedded server that doesn't support grants
 -- source include/not_embedded.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 connect (con1root,localhost,root,,);
 
 connection con1root;
@@ -156,7 +159,7 @@ call db1_secret.stamp(6);
 select db1_secret.db();
 
 #
-# BUG#2777
+# Bug#2777 Stored procedure doesn't observe definer's rights
 #
 
 connection con1root;
@@ -215,7 +218,7 @@ call q();
 select * from t2;
 
 #
-# BUG#6030: Stored procedure has no appropriate DROP privilege
+# Bug#6030 Stored procedure has no appropriate DROP privilege
 # (or ALTER for that matter)
 
 # still connection con2user1 in db2
@@ -330,7 +333,7 @@ flush privileges;
 drop table t1;
 
 #
-# BUG#9503: reseting correct parameters of thread after error in SP function
+# Bug#9503 reseting correct parameters of thread after error in SP function
 #
 connect (root,localhost,root,,test);
 connection root;
@@ -366,10 +369,12 @@ REVOKE ALL PRIVILEGES, GRANT OPTION FROM user1@localhost;
 drop function bug_9503;
 use test;
 drop database mysqltest;
+connection default;
+disconnect root;
 
 #
 # correct value from current_user() in function run from "security definer"
-# (BUG#7291)
+# (Bug#7291 Stored procedures: wrong CURRENT_USER value)
 #
 connection con1root;
 use test;
@@ -398,10 +403,10 @@ REVOKE ALL PRIVILEGES, GRANT OPTION FROM user1@localhost;
 drop user user1@localhost;
 
 #
-# Bug #12318: Wrong error message when accessing an inaccessible stored
+# Bug#12318 Wrong error message when accessing an inaccessible stored
 # procedure in another database when the current database is
 # information_schema.
-# 
+#
 
 --disable_warnings
 drop database if exists mysqltest_1;
@@ -438,7 +443,7 @@ revoke usage on *.* from mysqltest_1@localhost;
 drop user mysqltest_1@localhost;
 
 #
-# BUG#12812 create view calling a function works without execute right
+# Bug#12812 create view calling a function works without execute right
 #           on function
 delimiter |;
 --disable_warnings
@@ -464,7 +469,7 @@ delimiter ;|
 
 
 #
-# BUG#14834: Server denies to execute Stored Procedure
+# Bug#14834 Server denies to execute Stored Procedure
 #
 # The problem here was with '_' in the database name.
 #
@@ -507,7 +512,7 @@ drop database db_bug14834;
 
 
 #
-# BUG#14533: 'desc tbl' in stored procedure causes error
+# Bug#14533 'desc tbl' in stored procedure causes error
 # ER_TABLEACCESS_DENIED_ERROR
 #
 create database db_bug14533;
@@ -546,7 +551,7 @@ drop database db_bug14533;
 
 
 #
-# WL#2897: Complete definer support in the stored routines.
+# WL#2897 Complete definer support in the stored routines.
 #
 # The following cases are tested:
 #   1. check that if DEFINER-clause is not explicitly specified, stored routines
@@ -591,7 +596,7 @@ GRANT ALL PRIVILEGES ON mysqltest.* TO mysqltest_2@localhost;
 --echo ---> connection: mysqltest_2_con
 --connection mysqltest_2_con
 
-use mysqltest;
+USE mysqltest;
 
 CREATE PROCEDURE wl2897_p1() SELECT 1;
 
@@ -603,7 +608,7 @@ CREATE FUNCTION wl2897_f1() RETURNS INT RETURN 1;
 --echo ---> connection: mysqltest_1_con
 --connection mysqltest_1_con
 
-use mysqltest;
+USE mysqltest;
 
 --error ER_SPECIFIC_ACCESS_DENIED_ERROR
 CREATE DEFINER=root@localhost PROCEDURE wl2897_p2() SELECT 2;
@@ -629,7 +634,7 @@ CREATE DEFINER='a @ b @ c'@localhost FUNCTION wl2897_f3() RETURNS INT RETURN 3;
 --echo ---> connection: con1root
 --connection con1root
 
-use mysqltest;
+USE mysqltest;
 
 SHOW CREATE PROCEDURE wl2897_p1;
 SHOW CREATE PROCEDURE wl2897_p3;
@@ -649,7 +654,7 @@ DROP DATABASE mysqltest;
 
 
 #
-# BUG#13198: SP executes if definer does not exist
+# Bug#13198 SP executes if definer does not exist
 #
 
 # Prepare environment.
@@ -679,7 +684,7 @@ GRANT ALL PRIVILEGES ON mysqltest.* TO mysqltest_2@localhost;
 --echo ---> connection: mysqltest_1_con
 --connection mysqltest_1_con
 
-use mysqltest;
+USE mysqltest;
 
 CREATE PROCEDURE bug13198_p1()
   SELECT 1;
@@ -697,7 +702,7 @@ SELECT bug13198_f1();
 --echo ---> connection: mysqltest_2_con
 --connection mysqltest_2_con
 
-use mysqltest;
+USE mysqltest;
 
 CALL bug13198_p1();
 
@@ -719,7 +724,7 @@ DROP USER mysqltest_1@localhost;
 --echo ---> connection: mysqltest_2_con
 --connection mysqltest_2_con
 
-use mysqltest;
+USE mysqltest;
 
 --error ER_NO_SUCH_USER
 CALL bug13198_p1();
@@ -740,8 +745,8 @@ DROP USER mysqltest_2@localhost;
 DROP DATABASE mysqltest;
 
 #
-# Bug#19857 - When a user with CREATE ROUTINE priv creates a routine,
-#             it results in NULL p/w
+# Bug#19857 When a user with CREATE ROUTINE priv creates a routine,
+#           it results in NULL p/w
 #
 
 # Can't test with embedded server that doesn't support grants
@@ -756,7 +761,7 @@ SELECT Host,User,Password FROM mysql.user WHERE User='user19857';
 --echo ---> connection: mysqltest_2_con
 --connection mysqltest_2_con
 
-use test;
+USE test;
 
 DELIMITER //;
   CREATE PROCEDURE sp19857() DETERMINISTIC
@@ -790,8 +795,7 @@ DROP USER user19857@localhost;
 use test;
 
 #
-# BUG#18630: Arguments of suid routine calculated in wrong security
-# context
+# Bug#18630 Arguments of suid routine calculated in wrong security context
 #
 # Arguments of suid routines were calculated in definer's security
 # context instead of caller's context thus creating security hole.
@@ -862,3 +866,7 @@ DROP FUNCTION f_suid;
 DROP TABLE t1;
 
 --echo End of 5.0 tests.
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+
diff --git a/mysql-test/t/sp_notembedded.test b/mysql-test/t/sp_notembedded.test
index 16ebb710f25..f540126c405 100644
--- a/mysql-test/t/sp_notembedded.test
+++ b/mysql-test/t/sp_notembedded.test
@@ -4,13 +4,17 @@
 set @old_concurrent_insert= @@global.concurrent_insert;
 set @@global.concurrent_insert= 0;
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 --disable_warnings
 drop table if exists t1,t3;
 --enable_warnings
 delimiter |;
 
+
 #
-# BUG#4902: Stored procedure with SHOW WARNINGS leads to packet error
+# Bug#4902 Stored procedure with SHOW WARNINGS leads to packet error
 #
 # Added tests for show grants command
 --disable_warnings
@@ -52,15 +56,14 @@ show warnings|
 drop procedure bug4902_2|
 
 #
-# BUG#3583: query cache doesn't work for stored procedures
+# Bug#3583 query cache doesn't work for stored procedures
 #
-
 --disable_warnings
 drop table if exists t1|
 --enable_warnings
 create table t1 (
-	id   char(16) not null default '',
-        data int not null
+    id   char(16) not null default '',
+    data int not null
 )|
 --disable_warnings
 drop procedure if exists bug3583|
@@ -97,8 +100,9 @@ delete from t1|
 drop procedure bug3583|
 drop table t1|
 
+
 #
-# BUG#6807: Stored procedure crash if CREATE PROCEDURE ... KILL QUERY
+# Bug#6807 Stored procedure crash if CREATE PROCEDURE ... KILL QUERY
 #
 --disable_warnings
 drop procedure if exists bug6807|
@@ -112,16 +116,16 @@ begin
   select 'Not reached';
 end|
 
---error 1317
+--error ER_QUERY_INTERRUPTED
 call bug6807()|
---error 1317
+--error ER_QUERY_INTERRUPTED
 call bug6807()|
 
 drop procedure bug6807|
 
 
 #
-# BUG#10100: function (and stored procedure?) recursivity problem
+# Bug#10100 function (and stored procedure?) recursivity problem
 #
 --disable_warnings
 drop function if exists bug10100f|
@@ -220,11 +224,11 @@ begin
   close c;
 end|
 
-#end of the stack checking
+# end of the stack checking
 set @@max_sp_recursion_depth=255|
 set @var=1|
-#disable log because error about stack overrun contains numbers which
-#depend on a system
+# disable log because error about stack overrun contains numbers which
+# depend on a system
 -- disable_result_log
 -- error ER_STACK_OVERRUN_NEED_MORE
 call bug10100p(255, @var)|
@@ -253,6 +257,7 @@ drop table t3|
 
 delimiter ;|
 
+
 #
 # Bug#15298 SHOW GRANTS FOR CURRENT_USER: Incorrect output in DEFINER context
 #
@@ -269,6 +274,7 @@ call 15298_1();
 call 15298_2();
 
 connection default;
+disconnect con1;
 drop user mysqltest_1@localhost;
 drop procedure 15298_1;
 drop procedure 15298_2;
@@ -334,6 +340,7 @@ connection default;
 disconnect rl_holder;
 disconnect rl_acquirer;
 disconnect rl_wait;
+disconnect rl_contender;
 drop procedure p1;
 drop table t1;
 set session low_priority_updates=default;
@@ -343,3 +350,7 @@ set session low_priority_updates=default;
 #
 
 set @@global.concurrent_insert= @old_concurrent_insert;
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+
diff --git a/mysql-test/t/ssl-big.test b/mysql-test/t/ssl-big.test
index 099c64df08f..91103f1d782 100644
--- a/mysql-test/t/ssl-big.test
+++ b/mysql-test/t/ssl-big.test
@@ -4,12 +4,15 @@
 -- source include/have_ssl.inc
 -- source include/big_test.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 --disable_warnings
 DROP TABLE IF EXISTS t1, t2;
 --enable_warnings
 
 #
-# Bug #29579 Clients using SSL can hang the server
+# Bug#29579 Clients using SSL can hang the server
 #
 
 connect (ssl_con,localhost,root,,,,,SSL);
@@ -18,7 +21,7 @@ create table t1 (a int);
 
 disconnect ssl_con;
 
-  
+
 --disable_query_log
 --disable_result_log
 
@@ -26,31 +29,36 @@ let $count= 2000;
 while ($count)
 {
   connect (ssl_con,localhost,root,,,,,SSL);
-  
+
   eval insert into t1 values ($count);
   dec $count;
-  
-  # This select causes the net buffer to fill as the server sends the results 
+
+  # This select causes the net buffer to fill as the server sends the results
   # but the client doesn't reap the results. The results are larger each time
   # through the loop, so that eventually the buffer is completely full
   # at the exact moment the server attempts to the close the connection with
   # the lock held.
   send select * from t1;
-  
+
   # now send the quit the command so the server will initiate the shutdown.
-  send_quit ssl_con; 
-  
+  send_quit ssl_con;
+
   # if the server is hung, this will hang too:
   connect (ssl_con2,localhost,root,,,,,SSL);
-  
+
   # no hang if we get here, close and retry
   disconnect ssl_con2;
   disconnect ssl_con;
-}  
+}
 --enable_query_log
 --enable_result_log
 
 connect (ssl_con,localhost,root,,,,,SSL);
 
 drop table t1;
+connection default;
+disconnect ssl_con;
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
 
diff --git a/mysql-test/t/ssl.test b/mysql-test/t/ssl.test
index a15f0212fbd..936652eaa3d 100644
--- a/mysql-test/t/ssl.test
+++ b/mysql-test/t/ssl.test
@@ -3,6 +3,9 @@
 
 -- source include/have_ssl.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 connect (ssl_con,localhost,root,,,,,SSL);
 
 # Check ssl turned on
@@ -14,4 +17,9 @@ SHOW STATUS LIKE 'Ssl_cipher';
 # Check ssl turned on
 SHOW STATUS LIKE 'Ssl_cipher';
 
+connection default;
+disconnect ssl_con;
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
 
diff --git a/mysql-test/t/ssl_compress.test b/mysql-test/t/ssl_compress.test
index 23051c0e367..b6e11621bf6 100644
--- a/mysql-test/t/ssl_compress.test
+++ b/mysql-test/t/ssl_compress.test
@@ -4,6 +4,9 @@
 -- source include/have_ssl.inc
 -- source include/have_compress.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 connect (ssl_compress_con,localhost,root,,,,,SSL COMPRESS);
 
 # Check ssl turned on
@@ -20,3 +23,10 @@ SHOW STATUS LIKE 'Ssl_cipher';
 
 # Check compression turned on
 SHOW STATUS LIKE 'Compression';
+
+connection default;
+disconnect ssl_compress_con;
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+
diff --git a/mysql-test/t/status.test b/mysql-test/t/status.test
index 69ae56ff9a2..5842f59af5c 100644
--- a/mysql-test/t/status.test
+++ b/mysql-test/t/status.test
@@ -268,6 +268,7 @@ show status like 'Com%function';
 #
 connect (root, localhost, root,,test);
 connection root;
+let $root_connection_id= `select connection_id()`;
 --disable_warnings
 create database db37908;
 --enable_warnings
@@ -282,6 +283,7 @@ delimiter ;|
 
 connect (user1,localhost,mysqltest_1,,test);
 connection user1;
+let $user1_connection_id= `select connection_id()`;
 
 --error ER_TABLEACCESS_DENIED_ERROR
 select * from db37908.t1;
@@ -300,8 +302,12 @@ drop procedure proc37908;
 drop function func37908;
 REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
 DROP USER mysqltest_1@localhost;
-# Wait till we reached the initial number of concurrent sessions
---source include/wait_until_count_sessions.inc
+# Wait till the sessions user1 and root are disconnected
+let $wait_condition =
+  SELECT COUNT(*) = 0
+  FROM information_schema.processlist
+  WHERE  id in ('$root_connection_id','$user1_connection_id');
+--source include/wait_condition.inc
 
 #
 # Bug#41131 "Questions" fails to increment - ignores statements instead stored procs
diff --git a/mysql-test/t/user_limits.test b/mysql-test/t/user_limits.test
index af0f6545ac4..41af032b97e 100644
--- a/mysql-test/t/user_limits.test
+++ b/mysql-test/t/user_limits.test
@@ -3,9 +3,12 @@
 #
 
 # Requires privileges to be enabled
--- source include/not_embedded.inc
+--source include/not_embedded.inc
 
-# Prepare play-ground 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
+# Prepare play-ground
 --disable_warnings
 drop table if exists t1;
 --enable_warnings
@@ -28,11 +31,11 @@ connect (mqph, localhost, mysqltest_1,,);
 connection mqph;
 select * from t1;
 select * from t1;
---error 1226
+--error ER_USER_LIMIT_REACHED
 select * from t1;
 connect (mqph2, localhost, mysqltest_1,,);
 connection mqph2;
---error 1226
+--error ER_USER_LIMIT_REACHED
 select * from t1;
 # cleanup
 connection default;
@@ -50,12 +53,12 @@ select * from t1;
 select * from t1;
 delete from t1;
 delete from t1;
---error 1226
+--error ER_USER_LIMIT_REACHED
 delete from t1;
 select * from t1;
 connect (muph2, localhost, mysqltest_1,,);
 connection muph2;
---error 1226
+--error ER_USER_LIMIT_REACHED
 delete from t1;
 select * from t1;
 # Cleanup
@@ -74,7 +77,7 @@ connect (mcph2, localhost, mysqltest_1,,);
 connection mcph2;
 select * from t1;
 --replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
---error 1226
+--error ER_USER_LIMIT_REACHED
 connect (mcph3, localhost, mysqltest_1,,);
 # Old connection is still ok
 select * from t1;
@@ -83,7 +86,7 @@ select * from t1;
 disconnect mcph1;
 disconnect mcph2;
 --replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
---error 1226
+--error ER_USER_LIMIT_REACHED
 connect (mcph3, localhost, mysqltest_1,,);
 # Cleanup
 connection default;
@@ -101,13 +104,13 @@ connect (muc2, localhost, mysqltest_1,,);
 connection muc2;
 select * from t1;
 --replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
---error 1226
+--error ER_USER_LIMIT_REACHED
 connect (muc3, localhost, mysqltest_1,,);
 # Closing of one of connections should help
 disconnect muc1;
 connect (muc3, localhost, mysqltest_1,,);
 select * from t1;
-# Changing of limit should also help (and immediately) 
+# Changing of limit should also help (and immediately)
 connection default;
 grant usage on *.* to mysqltest_1@localhost with max_user_connections 3;
 flush user_resources;
@@ -115,7 +118,7 @@ connect (muc4, localhost, mysqltest_1,,);
 connection muc4;
 select * from t1;
 --replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
---error 1226
+--error ER_USER_LIMIT_REACHED
 connect (muc5, localhost, mysqltest_1,,);
 # Clean up
 connection default;
@@ -129,10 +132,10 @@ drop user mysqltest_1@localhost;
 select @@session.max_user_connections, @@global.max_user_connections;
 # Local max_user_connections variable can't be set directly
 # since this limit is per-account
---error 1229
-set session max_user_connections= 2; 
+--error ER_GLOBAL_VARIABLE
+set session max_user_connections= 2;
 # But it is ok to set global max_user_connections
-set global max_user_connections= 2; 
+set global max_user_connections= 2;
 select @@session.max_user_connections, @@global.max_user_connections;
 # Let us check that global limit works
 grant usage on *.* to mysqltest_1@localhost;
@@ -144,7 +147,7 @@ connect (muca2, localhost, mysqltest_1,,);
 connection muca2;
 select * from t1;
 --replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
---error 1203
+--error ER_TOO_MANY_USER_CONNECTIONS
 connect (muca3, localhost, mysqltest_1,,);
 # Now we are testing that per-account limit prevails over gloabl limit
 connection default;
@@ -154,16 +157,20 @@ connect (muca3, localhost, mysqltest_1,,);
 connection muca3;
 select @@session.max_user_connections, @@global.max_user_connections;
 --replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
---error 1226
+--error ER_USER_LIMIT_REACHED
 connect (muca4, localhost, mysqltest_1,,);
 # Cleanup
 connection default;
 disconnect muca1;
 disconnect muca2;
 disconnect muca3;
-set global max_user_connections= 0; 
+set global max_user_connections= 0;
 drop user mysqltest_1@localhost;
 --enable_ps_protocol
 
 # Final cleanup
 drop table t1;
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+
diff --git a/mysql-test/t/view.test b/mysql-test/t/view.test
index 9e22006ea67..c9d01266e9e 100644
--- a/mysql-test/t/view.test
+++ b/mysql-test/t/view.test
@@ -10,12 +10,12 @@ use test;
 #
 
 # create view on nonexistent table
--- error 1146
+-- error ER_NO_SUCH_TABLE
 create view v1 (c,d) as select a,b from t1;
 
 create temporary table t1 (a int, b int);
 # view on temporary table
--- error 1352
+-- error ER_VIEW_SELECT_TMPTABLE
 create view v1 (c) as select b+1 from t1;
 drop table t1;
 
@@ -42,18 +42,18 @@ select * from t1;
 select c from v1;
 show create table v1;
 show create view v1;
--- error 1347
+-- error ER_WRONG_OBJECT
 show create view t1;
 drop table t1;
 
 # try to use fields from underlying table
--- error 1054
+-- error ER_BAD_FIELD_ERROR
 select a from v1;
--- error 1054
+-- error ER_BAD_FIELD_ERROR
 select v1.a from v1;
--- error 1054
+-- error ER_BAD_FIELD_ERROR
 select b from v1;
--- error 1054
+-- error ER_BAD_FIELD_ERROR
 select v1.b from v1;
 
 # view with different algorithms (explain output differs)
@@ -64,9 +64,9 @@ select c from v2;
 explain extended select c from v2;
 
 # try to use underlying table fields in VIEW creation process
--- error 1054
+-- error ER_BAD_FIELD_ERROR
 create view v3 (c) as select a+1 from v1;
--- error 1054
+-- error ER_BAD_FIELD_ERROR
 create view v3 (c) as select b+1 from v1;
 
 
@@ -104,7 +104,7 @@ select * from v1;
 select * from v2;
 
 # try to create VIEW with name of existing VIEW
--- error 1050
+-- error ER_TABLE_EXISTS_ERROR
 create view v1 (c,d,e,f) as select a,b, a in (select a+2 from t1), a = all (select a from t1) from t1;
 
 # 'or replace' should work in this case
@@ -112,7 +112,7 @@ create or replace view v1 (c,d,e,f) as select a,b, a in (select a+2 from t1), a
 
 # try to ALTER unexisting VIEW
 drop view v2;
--- error 1146
+-- error ER_NO_SUCH_TABLE
 alter view v2 as select c, d from v1;
 
 # 'or replace' on unexisting view
@@ -126,15 +126,15 @@ select * from v1;
 select * from v2;
 
 # try to drop nonexistent VIEW
--- error 1051
+-- error ER_BAD_TABLE_ERROR
 drop view v100;
 
 # try to drop table with DROP VIEW
--- error 1347
+-- error ER_WRONG_OBJECT
 drop view t1;
 
 # try to drop VIEW with DROP TABLE
--- error 1051
+-- error ER_BAD_TABLE_ERROR
 drop table v1;
 
 # try to drop table with DROP VIEW
@@ -175,7 +175,7 @@ drop table t1;
 # syntax compatibility
 #
 create table t1 (a int);
--- error 1368
+-- error ER_VIEW_NONUPD_CHECK
 create view v1 as select distinct a from t1 WITH CHECK OPTION;
 create view v1 as select a from t1 WITH CHECK OPTION;
 create view v2 as select a from t1 WITH CASCADED CHECK OPTION;
@@ -232,10 +232,10 @@ create algorithm=temptable view v2 (a,c) as select a, b+1 from t1;
 select is_updatable from information_schema.views where table_name='v2';
 select is_updatable from information_schema.views where table_name='v1';
 # try to update expression
--- error 1348
+-- error ER_NONUPDATEABLE_COLUMN
 update v1 set c=a+c;
 # try to update VIEW with forced TEMPORARY TABLE algorithm
--- error 1288
+-- error ER_NON_UPDATABLE_TABLE
 update v2 set a=a+c;
 # updatable field of updateable view
 update v1 set a=a+c;
@@ -254,10 +254,10 @@ insert into t2 values (10), (20);
 create view v1 (a,c) as select a, b+1 from t1;
 create algorithm=temptable view v2 (a,c) as select a, b+1 from t1;
 # try to update expression
--- error 1348
+-- error ER_NONUPDATEABLE_COLUMN
 update t2,v1 set v1.c=v1.a+v1.c where t2.x=v1.a;
 # try to update VIEW with forced TEMPORARY TABLE algorithm
--- error 1288
+-- error ER_NON_UPDATABLE_TABLE
 update t2,v2 set v2.a=v2.v2.a+c where t2.x=v2.a;
 # updatable field of updateable view
 update t2,v1 set v1.a=v1.a+v1.c where t2.x=v1.a;
@@ -292,7 +292,7 @@ insert into t1 values (1,2), (2,3), (3,4), (4,5), (5,10);
 create view v1 (a,c) as select a, b+1 from t1;
 create algorithm=temptable view v2 (a,c) as select a, b+1 from t1;
 # try to update VIEW with forced TEMPORARY TABLE algorithm
--- error 1288
+-- error ER_NON_UPDATABLE_TABLE
 delete from v2 where c < 4;
 # updatable field of updateable view
 delete from v1 where c < 4;
@@ -311,7 +311,7 @@ insert into t2 values (1), (2), (3), (4);
 create view v1 (a,c) as select a, b+1 from t1;
 create algorithm=temptable view v2 (a,c) as select a, b+1 from t1;
 # try to update VIEW with forced TEMPORARY TABLE algorithm
--- error 1288
+-- error ER_NON_UPDATABLE_TABLE
 delete v2 from t2,v2 where t2.x=v2.a;
 # updatable field of updateable view
 delete v1 from t2,v1 where t2.x=v1.a;
@@ -331,7 +331,7 @@ set updatable_views_with_limit=NO;
 update v1 set x=x+1;
 update v2 set x=x+1;
 update v1 set x=x+1 limit 1;
--- error 1288
+-- error ER_NON_UPDATABLE_TABLE
 update v2 set x=x+1 limit 1;
 set updatable_views_with_limit=YES;
 update v1 set x=x+1 limit 1;
@@ -424,7 +424,7 @@ create table t1 (a int, primary key(a));
 insert into t1 values (1), (2), (3), (200);
 create ALGORITHM=TEMPTABLE view v1 (x) as select a from t1;
 create view v2 (y) as select x from v1;
--- error 1288
+-- error ER_NON_UPDATABLE_TABLE
 update v2 set y=10 where y=2;
 drop table t1;
 drop view v1,v2;
@@ -479,17 +479,17 @@ create table t1 (col1 char(5),col2 char(5));
 create view v1 as select * from t1;
 drop table t1;
 create table t1 (col1 char(5),newcol2 char(5));
--- error 1356
+-- error ER_VIEW_INVALID
 insert into v1 values('a','aa');
 drop table t1;
--- error 1356
+-- error ER_VIEW_INVALID
 select * from v1;
 drop view v1;
 
 #
 # check of duplication of column names
 #
--- error 1060
+-- error ER_DUP_FIELDNAME
 create view v1 (a,a) as select 'a','a';
 
 #
@@ -559,7 +559,7 @@ drop table t1;
 #
 # error on preparation
 #
--- error 1096
+-- error ER_NO_TABLES_USED
 CREATE VIEW v02 AS SELECT * FROM DUAL;
 SHOW TABLES;
 
@@ -575,7 +575,7 @@ drop view v1;
 #
 create table t1 (col1 int,col2 char(22));
 create view v1 as select * from t1;
--- error 1347
+-- error ER_WRONG_OBJECT
 create index i1 on v1 (col1);
 drop view v1;
 drop table t1;
@@ -735,7 +735,7 @@ create function x1 () returns int return 5;
 create table t1 (s1 int);
 create view v1 as select x1() from t1;
 drop function x1;
--- error 1356
+-- error ER_VIEW_INVALID
 select * from v1;
 --replace_column 8 # 12 # 13 #
 show table status;
@@ -794,10 +794,10 @@ create table t1 (a int);
 create view v1 as select a from t1;
 create view v3 as select a from t1;
 create database mysqltest;
--- error 1450
+-- error ER_FORBID_SCHEMA_CHANGE
 rename table v1 to mysqltest.v1;
 rename table v1 to v2;
---error 1050
+--error ER_TABLE_EXISTS_ERROR
 rename table v3 to v1, v2 to t1;
 drop table t1;
 drop view v2,v3;
@@ -810,19 +810,19 @@ create view v1 as select 'a',1;
 create view v2 as select * from v1 union all select * from v1;
 create view v3 as select * from v2 where 1 = (select `1` from v2);
 create view v4 as select * from v3;
--- error 1242
+-- error ER_SUBQUERY_NO_1_ROW
 select * from v4;
 drop view v4, v3, v2, v1;
 
 #
 # VIEW over SELECT with prohibited clauses
 #
--- error 1350
+-- error ER_VIEW_SELECT_CLAUSE
 create view v1 as select 5 into @w;
--- error 1350
+-- error ER_VIEW_SELECT_CLAUSE
 create view v1 as select 5 into outfile 'ttt';
 create table t1 (a int);
--- error 1350
+-- error ER_VIEW_SELECT_CLAUSE
 create view v1 as select a from t1 procedure analyse();
 -- error ER_VIEW_SELECT_DERIVED
 create view v1 as select 1 from (select 1) as d1;
@@ -848,109 +848,109 @@ create table t3 (col1 datetime not null);
 create view v1 as select * from t1;
 create view v2 as select * from v1;
 create view v3 as select v2.col1 from v2,t2 where v2.col1 = t2.col1;
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 update v2 set col1 = (select max(col1) from v1);
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 update v2 set col1 = (select max(col1) from t1);
--- error 1093
+-- error ER_UPDATE_TABLE_USED
 update v2 set col1 = (select max(col1) from v2);
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 update v2,t2 set v2.col1 = (select max(col1) from v1) where v2.col1 = t2.col1;
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 update t1,t2 set t1.col1 = (select max(col1) from v1) where t1.col1 = t2.col1;
--- error 1093
+-- error ER_UPDATE_TABLE_USED
 update v1,t2 set v1.col1 = (select max(col1) from v1) where v1.col1 = t2.col1;
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 update t2,v2 set v2.col1 = (select max(col1) from v1) where v2.col1 = t2.col1;
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 update t2,t1 set t1.col1 = (select max(col1) from v1) where t1.col1 = t2.col1;
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 update t2,v1 set v1.col1 = (select max(col1) from v1) where v1.col1 = t2.col1;
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 update v2,t2 set v2.col1 = (select max(col1) from t1) where v2.col1 = t2.col1;
--- error 1093
+-- error ER_UPDATE_TABLE_USED
 update t1,t2 set t1.col1 = (select max(col1) from t1) where t1.col1 = t2.col1;
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 update v1,t2 set v1.col1 = (select max(col1) from t1) where v1.col1 = t2.col1;
--- error 1093
+-- error ER_UPDATE_TABLE_USED
 update t2,v2 set v2.col1 = (select max(col1) from t1) where v2.col1 = t2.col1;
--- error 1093
+-- error ER_UPDATE_TABLE_USED
 update t2,t1 set t1.col1 = (select max(col1) from t1) where t1.col1 = t2.col1;
--- error 1093
+-- error ER_UPDATE_TABLE_USED
 update t2,v1 set v1.col1 = (select max(col1) from t1) where v1.col1 = t2.col1;
--- error 1093
+-- error ER_UPDATE_TABLE_USED
 update v2,t2 set v2.col1 = (select max(col1) from v2) where v2.col1 = t2.col1;
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 update t1,t2 set t1.col1 = (select max(col1) from v2) where t1.col1 = t2.col1;
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 update v1,t2 set v1.col1 = (select max(col1) from v2) where v1.col1 = t2.col1;
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 update t2,v2 set v2.col1 = (select max(col1) from v2) where v2.col1 = t2.col1;
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 update t2,t1 set t1.col1 = (select max(col1) from v2) where t1.col1 = t2.col1;
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 update t2,v1 set v1.col1 = (select max(col1) from v2) where v1.col1 = t2.col1;
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 update v3 set v3.col1 = (select max(col1) from v1);
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 update v3 set v3.col1 = (select max(col1) from t1);
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 update v3 set v3.col1 = (select max(col1) from v2);
--- error 1093
+-- error ER_UPDATE_TABLE_USED
 update v3 set v3.col1 = (select max(col1) from v3);
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 delete from v2 where col1 = (select max(col1) from v1);
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 delete from v2 where col1 = (select max(col1) from t1);
--- error 1093
+-- error ER_UPDATE_TABLE_USED
 delete from v2 where col1 = (select max(col1) from v2);
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 delete v2 from v2,t2 where (select max(col1) from v1) > 0 and v2.col1 = t2.col1;
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 delete t1 from t1,t2 where (select max(col1) from v1) > 0 and t1.col1 = t2.col1;
--- error 1093
+-- error ER_UPDATE_TABLE_USED
 delete v1 from v1,t2 where (select max(col1) from v1) > 0 and v1.col1 = t2.col1;
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 delete v2 from v2,t2 where (select max(col1) from t1) > 0 and v2.col1 = t2.col1;
--- error 1093
+-- error ER_UPDATE_TABLE_USED
 delete t1 from t1,t2 where (select max(col1) from t1) > 0 and t1.col1 = t2.col1;
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 delete v1 from v1,t2 where (select max(col1) from t1) > 0 and v1.col1 = t2.col1;
--- error 1093
+-- error ER_UPDATE_TABLE_USED
 delete v2 from v2,t2 where (select max(col1) from v2) > 0 and v2.col1 = t2.col1;
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 delete t1 from t1,t2 where (select max(col1) from v2) > 0 and t1.col1 = t2.col1;
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 delete v1 from v1,t2 where (select max(col1) from v2) > 0 and v1.col1 = t2.col1;
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 insert into v2 values ((select max(col1) from v1));
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 insert into t1 values ((select max(col1) from v1));
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 insert into v2 values ((select max(col1) from v1));
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 insert into v2 values ((select max(col1) from t1));
--- error 1093
+-- error ER_UPDATE_TABLE_USED
 insert into t1 values ((select max(col1) from t1));
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 insert into v2 values ((select max(col1) from t1));
--- error 1093
+-- error ER_UPDATE_TABLE_USED
 insert into v2 values ((select max(col1) from v2));
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 insert into t1 values ((select max(col1) from v2));
--- error 1093
+-- error ER_UPDATE_TABLE_USED
 insert into v2 values ((select max(col1) from v2));
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 insert into v3 (col1) values ((select max(col1) from v1));
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 insert into v3 (col1) values ((select max(col1) from t1));
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 insert into v3 (col1) values ((select max(col1) from v2));
-#check with TZ tables in list
--- error 1443
+# check with TZ tables in list
+-- error ER_VIEW_PREVENT_UPDATE
 insert into v3 (col1) values ((select CONVERT_TZ('20050101000000','UTC','MET') from v2));
 insert into v3 (col1) values ((select CONVERT_TZ('20050101000000','UTC','MET') from t2));
--- error 1048
+-- error ER_BAD_NULL_ERROR
 insert into t3 values ((select CONVERT_TZ('20050101000000','UTC','MET') from t2));
 # temporary table algorithm view should be equal to subquery in the from clause
 create algorithm=temptable view v4 as select * from t1;
@@ -966,7 +966,7 @@ drop table t1,t2,t3;
 #
 create table t1 (s1 int);
 create view v1 as select * from t1;
--- error 1347
+-- error ER_WRONG_OBJECT
 handler v1 open as xx;
 drop view v1;
 drop table t1;
@@ -1014,7 +1014,7 @@ create table t2 (a int);
 create view v1 as select * from t1;
 lock tables t1 read, v1 read;
 select * from v1;
--- error 1100
+-- error ER_TABLE_NOT_LOCKED
 select * from t2;
 drop view v1;
 drop table t1, t2;
@@ -1026,7 +1026,7 @@ create table t1 (a int);
 create view v1 as select * from t1 where a < 2 with check option;
 # simple insert
 insert into v1 values(1);
--- error 1369
+-- error ER_VIEW_CHECK_FAILED
 insert into v1 values(3);
 # simple insert with ignore
 insert ignore into v1 values (2),(3),(0);
@@ -1035,7 +1035,7 @@ select * from t1;
 delete from t1;
 # INSERT SELECT test
 insert into v1 SELECT 1;
--- error 1369
+-- error ER_VIEW_CHECK_FAILED
 insert into v1 SELECT 3;
 # prepare data for next check
 create table t2 (a int);
@@ -1043,9 +1043,9 @@ insert into t2 values (2),(3),(0);
 # INSERT SELECT with ignore test
 insert ignore into v1 SELECT a from t2;
 select * from t1 order by a desc;
-#simple UPDATE test
+# simple UPDATE test
 update v1 set a=-1 where a=0;
--- error 1369
+-- error ER_VIEW_CHECK_FAILED
 update v1 set a=2 where a=1;
 select * from t1 order by a desc;
 # prepare data for next check
@@ -1072,12 +1072,12 @@ create view v2 as select * from v1 where a > 0 with local check option;
 create view v3 as select * from v1 where a > 0 with cascaded check option;
 insert into v2 values (1);
 insert into v3 values (1);
--- error 1369
+-- error ER_VIEW_CHECK_FAILED
 insert into v2 values (0);
--- error 1369
+-- error ER_VIEW_CHECK_FAILED
 insert into v3 values (0);
 insert into v2 values (2);
--- error 1369
+-- error ER_VIEW_CHECK_FAILED
 insert into v3 values (2);
 select * from t1;
 drop view v3,v2,v1;
@@ -1089,7 +1089,7 @@ drop table t1;
 create table t1 (a int, primary key (a));
 create view v1 as select * from t1 where a < 2 with check option;
 insert into v1 values (1) on duplicate key update a=2;
--- error 1369
+-- error ER_VIEW_CHECK_FAILED
 insert into v1 values (1) on duplicate key update a=2;
 insert ignore into v1 values (1) on duplicate key update a=2;
 select * from t1;
@@ -1102,13 +1102,13 @@ drop table t1;
 create table t1 (s1 int);
 create view v1 as select * from t1;
 create view v2 as select * from v1;
--- error 1146
+-- error ER_NO_SUCH_TABLE
 alter view v1 as select * from v2;
--- error 1146
+-- error ER_NO_SUCH_TABLE
 alter view v1 as select * from v1;
--- error 1146
+-- error ER_NO_SUCH_TABLE
 create or replace view v1 as select * from v2;
--- error 1146
+-- error ER_NO_SUCH_TABLE
 create or replace view v1 as select * from v1;
 drop view v2,v1;
 drop table t1;
@@ -1143,7 +1143,7 @@ select * from t2;
 # check it with check option
 alter view v2 as select * from t2 where s1 in (select s1 from t1) with check option;
 insert into v2 values (5);
--- error 1369
+-- error ER_VIEW_CHECK_FAILED
 update v2 set s1 = 1;
 insert into t1 values (1);
 update v2 set s1 = 1;
@@ -1175,7 +1175,7 @@ drop table t1;
 create table t1 (s1 tinyint);
 create view v1 as select * from t1 where s1 <> 0 with local check option;
 create view v2 as select * from v1 with cascaded check option;
--- error 1369
+-- error ER_VIEW_CHECK_FAILED
 insert into v2 values (0);
 drop view v2, v1;
 drop table t1;
@@ -1186,7 +1186,7 @@ drop table t1;
 create table t1 (s1 int);
 create view v1 as select * from t1 where s1 < 5 with check option;
 #single value
--- error 1369
+-- error ER_VIEW_CHECK_FAILED
 insert ignore into v1 values (6);
 #several values
 insert ignore into v1 values (6),(3);
@@ -1200,7 +1200,7 @@ drop table t1;
 create table t1 (s1 tinyint);
 create trigger t1_bi before insert on t1 for each row set new.s1 = 500;
 create view v1 as select * from t1 where s1 <> 127 with check option;
--- error 1369
+-- error ER_VIEW_CHECK_FAILED
 insert into v1 values (0);
 select * from v1;
 select * from t1;
@@ -1214,7 +1214,7 @@ drop table t1;
 create table t1 (s1 tinyint);
 create view v1 as select * from t1 where s1 <> 0;
 create view v2 as select * from v1 where s1 <> 1 with cascaded check option;
--- error 1369
+-- error ER_VIEW_CHECK_FAILED
 insert into v2 values (0);
 select * from v2;
 select * from t1;
@@ -1227,7 +1227,7 @@ drop table t1;
 # fixed length fields
 create table t1 (a int, b char(10));
 create view v1 as select * from t1 where a != 0 with check option;
--- error 1369
+-- error ER_VIEW_CHECK_FAILED
 load data infile '../../std_data/loaddata3.dat' into table v1 fields terminated by '' enclosed by '' ignore 1 lines;
 select * from t1;
 select * from v1;
@@ -1240,7 +1240,7 @@ drop table t1;
 # variable length fields
 create table t1 (a text, b text);
 create view v1 as select * from t1 where a <> 'Field A' with check option;
--- error 1369
+-- error ER_VIEW_CHECK_FAILED
 load data infile '../../std_data/loaddata2.dat' into table v1 fields terminated by ',' enclosed by '''';
 select concat('|',a,'|'), concat('|',b,'|') from t1;
 select concat('|',a,'|'), concat('|',b,'|') from v1;
@@ -1321,7 +1321,7 @@ select * from t2;
 # view without primary key
 create view v2 (a,b) as select t1.b as a, t2.a as b from t1, t2;
 set updatable_views_with_limit=NO;
--- error 1288
+-- error ER_NON_UPDATABLE_TABLE
 update v2 set a= 10 where a=200 limit 1;
 set updatable_views_with_limit=DEFAULT;
 # just view selects
@@ -1349,14 +1349,14 @@ create table t2 (a int, primary key (a), b int);
 insert into t2 values (1000, 2000);
 create view v3 (a,b) as select t1.a as a, t2.a as b from t1, t2;
 # inserting into join view without field list
--- error 1394
+-- error ER_VIEW_NO_INSERT_FIELD_LIST
 insert into v3 values (1,2);
--- error 1394
+-- error ER_VIEW_NO_INSERT_FIELD_LIST
 insert into v3 select * from t2;
 # inserting in several tables of join view
--- error 1393
+-- error ER_VIEW_MULTIUPDATE
 insert into v3(a,b) values (1,2);
--- error 1393
+-- error ER_VIEW_MULTIUPDATE
 insert into v3(a,b) select * from t2;
 # correct inserts into join view
 insert into v3(a) values (1);
@@ -1367,11 +1367,11 @@ insert into v3(a) values (1) on duplicate key update a=a+10000+VALUES(a);
 select * from t1;
 select * from t2;
 # try delete from join view
--- error 1395
+-- error ER_VIEW_DELETE_MERGE_VIEW
 delete from v3;
--- error 1395
+-- error ER_VIEW_DELETE_MERGE_VIEW
 delete v3,t1 from v3,t1;
--- error 1395
+-- error ER_VIEW_DELETE_MERGE_VIEW
 delete t1,v3 from t1,v3;
 # delete from t1 just to reduce result set size
 delete from t1;
@@ -1394,7 +1394,7 @@ drop view v3;
 drop tables t1,t2;
 
 #
-# View field names should be case insensitive 
+# View field names should be case insensitive
 #
 create table t1(f1 int);
 create view v1 as select f1 from t1;
@@ -1403,7 +1403,7 @@ drop view v1;
 drop table t1;
 
 #
-# Resolving view fields in subqueries in VIEW (Bug #6394)
+# Resolving view fields in subqueries in VIEW (Bug#6394)
 #
 create table t1(c1 int);
 create table t2(c2 int);
@@ -1420,7 +1420,7 @@ drop view v2, v1;
 drop table t1, t2;
 
 #
-# view over other view setup (BUG#7433)
+# view over other view setup (Bug#7433)
 #
 CREATE TABLE t1 (C1 INT, C2 INT);
 CREATE TABLE t2 (C2 INT);
@@ -1431,10 +1431,10 @@ drop view v2, v1;
 drop table t1, t2;
 
 #
-# view and group_concat() (BUG#7116)
+# view and group_concat() (Bug#7116)
 #
-create table t1 (col1 char(5),col2 int,col3 int); 
-insert into t1 values ('one',10,25), ('two',10,50), ('two',10,50), ('one',20,25), ('one',30,25); 
+create table t1 (col1 char(5),col2 int,col3 int);
+insert into t1 values ('one',10,25), ('two',10,50), ('two',10,50), ('one',20,25), ('one',30,25);
 create view v1 as select * from t1;
 select col1,group_concat(col2,col3) from t1 group by col1;
 select col1,group_concat(col2,col3) from v1 group by col1;
@@ -1442,18 +1442,18 @@ drop view v1;
 drop table t1;
 
 #
-# Item_ref resolved as view field (BUG#6894)
+# Item_ref resolved as view field (Bug#6894)
 #
 create table t1 (s1 int, s2 char);
 create view v1 as select s1, s2 from t1;
--- error 1054
+-- error ER_BAD_FIELD_ERROR
 select s2 from v1 vq1 where 2 = (select count(*) from v1 vq2 having vq1.s2 = vq2.s2);
 select s2 from v1 vq1 where 2 = (select count(*) aa from v1 vq2 having vq1.s2 = aa);
 drop view v1;
 drop table t1;
 
 #
-# Test case for bug #9398 CREATE TABLE with SELECT from a multi-table view
+# Test case for Bug#9398 CREATE TABLE with SELECT from a multi-table view
 #
 CREATE TABLE t1 (a1 int);
 CREATE TABLE t2 (a2 int);
@@ -1469,7 +1469,7 @@ DROP VIEW v1;
 DROP TABLE t1,t2,t3;
 
 #
-# Test for BUG#8703 "insert into table select from view crashes"
+# Test for Bug#8703 insert into table select from view crashes
 #
 create table t1 (a int);
 create table t2 like t1;
@@ -1481,84 +1481,84 @@ drop view v1;
 drop table t1,t2,t3;
 
 #
-# Test for BUG #6106: query over a view using subquery for the underlying table
+# Test for Bug#6106 query over a view using subquery for the underlying table
 #
 
-CREATE TABLE t1 (col1 int PRIMARY KEY, col2 varchar(10)); 
-INSERT INTO t1 VALUES(1,'trudy'); 
-INSERT INTO t1 VALUES(2,'peter'); 
-INSERT INTO t1 VALUES(3,'sanja'); 
-INSERT INTO t1 VALUES(4,'monty'); 
-INSERT INTO t1 VALUES(5,'david'); 
-INSERT INTO t1 VALUES(6,'kent'); 
-INSERT INTO t1 VALUES(7,'carsten'); 
-INSERT INTO t1 VALUES(8,'ranger'); 
-INSERT INTO t1 VALUES(10,'matt'); 
-CREATE TABLE t2 (col1 int, col2 int, col3 char(1)); 
-INSERT INTO t2 VALUES (1,1,'y'); 
-INSERT INTO t2 VALUES (1,2,'y'); 
-INSERT INTO t2 VALUES (2,1,'n'); 
-INSERT INTO t2 VALUES (3,1,'n'); 
-INSERT INTO t2 VALUES (4,1,'y'); 
-INSERT INTO t2 VALUES (4,2,'n'); 
-INSERT INTO t2 VALUES (4,3,'n'); 
-INSERT INTO t2 VALUES (6,1,'n'); 
+CREATE TABLE t1 (col1 int PRIMARY KEY, col2 varchar(10));
+INSERT INTO t1 VALUES(1,'trudy');
+INSERT INTO t1 VALUES(2,'peter');
+INSERT INTO t1 VALUES(3,'sanja');
+INSERT INTO t1 VALUES(4,'monty');
+INSERT INTO t1 VALUES(5,'david');
+INSERT INTO t1 VALUES(6,'kent');
+INSERT INTO t1 VALUES(7,'carsten');
+INSERT INTO t1 VALUES(8,'ranger');
+INSERT INTO t1 VALUES(10,'matt');
+CREATE TABLE t2 (col1 int, col2 int, col3 char(1));
+INSERT INTO t2 VALUES (1,1,'y');
+INSERT INTO t2 VALUES (1,2,'y');
+INSERT INTO t2 VALUES (2,1,'n');
+INSERT INTO t2 VALUES (3,1,'n');
+INSERT INTO t2 VALUES (4,1,'y');
+INSERT INTO t2 VALUES (4,2,'n');
+INSERT INTO t2 VALUES (4,3,'n');
+INSERT INTO t2 VALUES (6,1,'n');
 INSERT INTO t2 VALUES (8,1,'y');
- 
-CREATE VIEW v1 AS SELECT * FROM t1; 
 
-SELECT a.col1,a.col2,b.col2,b.col3 
+CREATE VIEW v1 AS SELECT * FROM t1;
+
+SELECT a.col1,a.col2,b.col2,b.col3
   FROM t1 a LEFT JOIN t2 b ON a.col1=b.col1
-    WHERE b.col2 IS NULL OR 
+    WHERE b.col2 IS NULL OR
           b.col2=(SELECT MAX(col2) FROM t2 b WHERE b.col1=a.col1);
 
-SELECT a.col1,a.col2,b.col2,b.col3 
+SELECT a.col1,a.col2,b.col2,b.col3
   FROM v1 a LEFT JOIN t2 b ON a.col1=b.col1
-    WHERE b.col2 IS NULL OR 
+    WHERE b.col2 IS NULL OR
           b.col2=(SELECT MAX(col2) FROM t2 b WHERE b.col1=a.col1);
 
-CREATE VIEW v2 AS SELECT * FROM t2; 
+CREATE VIEW v2 AS SELECT * FROM t2;
 
 SELECT a.col1,a.col2,b.col2,b.col3
   FROM v2 b RIGHT JOIN v1 a ON a.col1=b.col1
     WHERE b.col2 IS NULL OR
-          b.col2=(SELECT MAX(col2) FROM v2 b WHERE b.col1=a.col1); 
+          b.col2=(SELECT MAX(col2) FROM v2 b WHERE b.col1=a.col1);
 
-# Tests from the report for bug #6107
+# Tests from the report for Bug#6107
 
 SELECT a.col1,a.col2,b.col2,b.col3
   FROM v2 b RIGHT JOIN v1 a ON a.col1=b.col1
     WHERE a.col1 IN (1,5,9) AND
          (b.col2 IS NULL OR
-          b.col2=(SELECT MAX(col2) FROM v2 b WHERE b.col1=a.col1)); 
+          b.col2=(SELECT MAX(col2) FROM v2 b WHERE b.col1=a.col1));
 
 CREATE VIEW v3 AS SELECT * FROM t1 WHERE col1 IN (1,5,9);
 
 SELECT a.col1,a.col2,b.col2,b.col3
   FROM v2 b RIGHT JOIN v3 a ON a.col1=b.col1
     WHERE b.col2 IS NULL OR
-          b.col2=(SELECT MAX(col2) FROM v2 b WHERE b.col1=a.col1); 
- 
+          b.col2=(SELECT MAX(col2) FROM v2 b WHERE b.col1=a.col1);
+
 DROP VIEW v1,v2,v3;
 DROP TABLE t1,t2;
 
 #
-# BUG#8490 Select from views containing subqueries causes server to hang 
-# forever.
+# Bug#8490 Select from views containing subqueries causes server to hang
+#          forever.
 #
 create table t1 as select 1 A union select 2 union select 3;
 create table t2 as select * from t1;
 create view v1 as select * from t1 where a in (select * from t2);
 select * from v1 A, v1 B where A.a = B.a;
 create table t3 as select a a,a b from t2;
-create view v2 as select * from t3 where 
+create view v2 as select * from t3 where
   a in (select * from t1) or b in (select * from t2);
 select * from v2 A, v2 B where A.a = B.b;
 drop view v1, v2;
 drop table t1, t2, t3;
 
 #
-# Test case for bug #8528: select from view over multi-table view
+# Test case for Bug#8528 select from view over multi-table view
 #
 CREATE TABLE t1 (a int);
 CREATE TABLE t2 (b int);
@@ -1574,7 +1574,7 @@ DROP VIEW v2,v1;
 
 DROP TABLE t1, t2;
 #
-# Correct restoring view name in SP table locking BUG#9758
+# Correct restoring view name in SP table locking Bug#9758
 #
 create table t1 (a int);
 create view v1 as select sum(a) from t1 group by a;
@@ -1603,7 +1603,7 @@ SELECT d, c FROM v1 ORDER BY d,c;
 DROP VIEW v1;
 DROP TABLE t1, t2;
 #
-# using sum(distinct ) & avg(distinct ) in views (BUG#7015)
+# using sum(distinct ) & avg(distinct ) in views (Bug#7015)
 #
 create table t1 (s1 int);
 create view  v1 as select sum(distinct s1) from t1;
@@ -1615,14 +1615,14 @@ drop view v1;
 drop table t1;
 
 #
-# using cast(... as decimal) in views (BUG#11387);
+# using cast(... as decimal) in views (Bug#11387);
 #
 create view v1 as select cast(1 as decimal);
 select * from v1;
 drop view v1;
 
 #
-# Bug#11298 insert into select from VIEW produces incorrect result when 
+# Bug#11298 insert into select from VIEW produces incorrect result when
 #           using ORDER BY
 create table t1(f1 int);
 create table t2(f2 int);
@@ -1636,7 +1636,7 @@ drop view v1;
 drop table t1,t2,t3;
 
 #
-# Generation unique names for columns, and correct names check (BUG#7448)
+# Generation unique names for columns, and correct names check (Bug#7448)
 #
 # names with ' and \
 create view v1 as select '\\','\\shazam';
@@ -1679,24 +1679,24 @@ create view v1 as select 's1', 's1', s1 from t1;
 select * from v1;
 drop view v1;
 # underlying field name conflict with set name
--- error 1060
+-- error ER_DUP_FIELDNAME
 create view v1 as select 1 as s1, 's1', s1 from t1;
--- error 1060
+-- error ER_DUP_FIELDNAME
 create view v1 as select 's1', s1, 1 as s1 from t1;
 drop table t1;
 # set names differ by case only
--- error 1060
+-- error ER_DUP_FIELDNAME
 create view v1(k, K) as select 1,2;
 
 #
-# using time_format in view (BUG#7521)
+# using time_format in view (Bug#7521)
 #
 create view v1 as SELECT TIME_FORMAT(SEC_TO_TIME(3600),'%H:%i') as t;
 select * from v1;
 drop view v1;
 
 #
-# evaluation constant functions in WHERE (BUG#4663)
+# evaluation constant functions in WHERE (Bug#4663)
 #
 create table t1 (a timestamp default now());
 create table t2 (b timestamp default now());
@@ -1717,7 +1717,7 @@ DROP VIEW v1;
 DROP TABLE t1;
 
 #
-# checking views after some view with error (BUG#11337)
+# checking views after some view with error (Bug#11337)
 #
 CREATE TABLE t1 (col1 time);
 CREATE TABLE t2 (col1 time);
@@ -1758,7 +1758,7 @@ drop view v1, v2, v3, v4, v5, v6;
 drop table t2,t3;
 
 #
-# bug #11325 Wrong date comparison in views
+# Bug#11325 Wrong date comparison in views
 #
 create table t1 (f1 date);
 insert into t1 values ('2005-01-01'),('2005-02-02');
@@ -1769,7 +1769,7 @@ drop view v1;
 drop table t1;
 
 #
-# using encrypt & substring_index in view (BUG#7024)
+# using encrypt & substring_index in view (Bug#7024)
 #
 CREATE VIEW v1 AS SELECT ENCRYPT("dhgdhgd");
 disable_result_log;
@@ -1781,21 +1781,21 @@ SELECT * FROM v1;
 drop view v1;
 
 #
-# hide underlying tables names in case of imposibility to update (BUG#10773)
+# hide underlying tables names in case of imposibility to update (Bug#10773)
 #
 create table t1 (f59 int, f60 int, f61 int);
 insert into t1 values (19,41,32);
-create view v1 as select f59, f60 from t1 where f59 in  
+create view v1 as select f59, f60 from t1 where f59 in
          (select f59 from t1);
--- error 1288
+-- error ER_NON_UPDATABLE_TABLE
 update v1 set f60=2345;
--- error 1443
+-- error ER_VIEW_PREVENT_UPDATE
 update t1 set f60=(select max(f60) from v1);
 drop view v1;
 drop table t1;
 
 #
-# Using var_samp with view (BUG#10651)
+# Using var_samp with view (Bug#10651)
 #
 create table t1 (s1 int);
 create view v1 as select var_samp(s1) from t1;
@@ -1803,24 +1803,26 @@ show create view v1;
 drop view v1;
 drop table t1;
 
+
 #
 # Correct inserting data check (absence of default value) for view
-# underlying tables (BUG#6443)
+# underlying tables (Bug#6443)
 #
 set sql_mode='strict_all_tables';
 CREATE TABLE t1 (col1 INT NOT NULL, col2 INT NOT NULL);
 CREATE VIEW v1 (vcol1) AS SELECT col1 FROM t1;
 CREATE VIEW v2 (vcol1) AS SELECT col1 FROM t1 WHERE col2 > 2;
--- error 1364
+-- error ER_NO_DEFAULT_FOR_FIELD
 INSERT INTO t1 (col1) VALUES(12);
--- error 1423
+-- error ER_NO_DEFAULT_FOR_VIEW_FIELD
 INSERT INTO v1 (vcol1) VALUES(12);
--- error 1423
+-- error ER_NO_DEFAULT_FOR_VIEW_FIELD
 INSERT INTO v2 (vcol1) VALUES(12);
 set sql_mode=default;
 drop view v2,v1;
 drop table t1;
 
+
 #
 # Bug#11399 Use an alias in a select statement on a view
 #
@@ -1831,8 +1833,9 @@ select f1 as alias from v1;
 drop view v1;
 drop table t1;
 
+
 #
-# Test for bug #6120: SP cache to be invalidated when altering a view
+# Test for Bug#6120 SP cache to be invalidated when altering a view
 #
 
 CREATE TABLE t1 (s1 int, s2 int);
@@ -1851,8 +1854,9 @@ DROP PROCEDURE p1;
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# Test for bug #11709 View was ordered by wrong column
+# Test for Bug#11709 View was ordered by wrong column
 #
 create table t1 (f1 int, f2 int);
 create view v1 as select f1 as f3, f2 as f1 from t1;
@@ -1861,8 +1865,9 @@ select * from v1 order by f1;
 drop view v1;
 drop table t1;
 
+
 #
-# Test for bug #11771: wrong query_id in SELECT * FROM <view>
+# Test for Bug#11771 wrong query_id in SELECT * FROM <view>
 #
 CREATE TABLE t1 (f1 char);
 INSERT INTO t1 VALUES ('A');
@@ -1875,8 +1880,9 @@ SELECT * FROM t1;
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# opening table in correct locking mode (BUG#9597)
+# opening table in correct locking mode (Bug#9597)
 #
 CREATE TABLE t1 ( bug_table_seq   INTEGER NOT NULL);
 CREATE OR REPLACE VIEW v1 AS SELECT * from t1;
@@ -1893,8 +1899,9 @@ DROP PROCEDURE p1;
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# Bug #11760 Typo in Item_func_add_time::print() results in NULLs returned
+# Bug#11760 Typo in Item_func_add_time::print() results in NULLs returned
 #             subtime() in view
 create table t1(f1 datetime);
 insert into t1 values('2005.01.01 12:0:0');
@@ -1903,8 +1910,9 @@ select * from v1;
 drop view v1;
 drop table t1;
 
+
 #
-# Test for bug #11412: query over a multitable view with GROUP_CONCAT
+# Test for Bug#11412 query over a multitable view with GROUP_CONCAT
 #
 CREATE TABLE t1 (
   aid int PRIMARY KEY,
@@ -1920,15 +1928,16 @@ INSERT INTO t2 values (1,1), (2,1), (2,2);
 
 CREATE VIEW v1 AS SELECT t1.*,t2.pid FROM t1,t2 WHERE t1.aid = t2.aid;
 
-SELECT pid,GROUP_CONCAT(CONCAT(fn,' ',ln) ORDER BY 1) FROM t1,t2 
+SELECT pid,GROUP_CONCAT(CONCAT(fn,' ',ln) ORDER BY 1) FROM t1,t2
   WHERE t1.aid = t2.aid GROUP BY pid;
 SELECT pid,GROUP_CONCAT(CONCAT(fn,' ',ln) ORDER BY 1) FROM v1 GROUP BY pid;
 
 DROP VIEW v1;
 DROP TABLE t1,t2;
 
+
 #
-# Test for bug #12382: SELECT * FROM view after INSERT command
+# Test for Bug#12382 SELECT * FROM view after INSERT command
 #
 
 CREATE TABLE t1 (id int PRIMARY KEY, f varchar(255));
@@ -1942,9 +1951,10 @@ SELECT * FROM v1;
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# Test for bug #12470: crash for a simple select from a view defined
-#                      as a join over 5 tables
+# Test for Bug#12470 crash for a simple select from a view defined
+#                    as a join over 5 tables
 
 CREATE TABLE t1 (pk int PRIMARY KEY, b int);
 CREATE TABLE t2 (pk int PRIMARY KEY, fk int, INDEX idx(fk));
@@ -1961,27 +1971,29 @@ SELECT a FROM v1;
 DROP VIEW v1;
 DROP TABLE t1,t2,t3,t4,t5;
 
+
 #
-# Bug #12298 Typo in  function name results in erroneous view being created.
+# Bug#12298 Typo in function name results in erroneous view being created.
 #
 create view v1 as select timestampdiff(day,'1997-01-01 00:00:00','1997-01-02 00:00:00') as f1;
 select * from v1;
 drop view v1;
 
 #
-# repeatable CREATE VIEW statement BUG#12468
+# repeatable CREATE VIEW statement Bug#12468
 #
 create table t1(a int);
 create procedure p1() create view v1 as select * from t1;
 drop table t1;
--- error 1146
+-- error ER_NO_SUCH_TABLE
 call p1();
--- error 1146
+-- error ER_NO_SUCH_TABLE
 call p1();
 drop procedure p1;
 
+
 #
-# Bug #10624 Views with multiple UNION and UNION ALL produce incorrect results
+# Bug#10624 Views with multiple UNION and UNION ALL produce incorrect results
 #
 create table t1 (f1 int);
 create table t2 (f1 int);
@@ -1991,20 +2003,23 @@ create view v1 as select * from t1 union select * from t2 union all select * fro
 select * from v1;
 drop view v1;
 drop table t1,t2;
+
+
+#
+# Test for Bug#10970 view referring a temporary table indirectly
 #
-# Test for bug #10970: view referring a temporary table indirectly
-#                     
 
 CREATE TEMPORARY TABLE t1 (a int);
 CREATE FUNCTION f1 () RETURNS int RETURN (SELECT COUNT(*) FROM t1);
--- error 1352
+-- error ER_VIEW_SELECT_TMPTABLE
 CREATE VIEW v1 AS SELECT f1();
 
 DROP FUNCTION f1;
 DROP TABLE t1;
 
+
 #
-# BUG #12533 (crash on DESCRIBE <view> after renaming base table column)
+# Bug#12533 (crash on DESCRIBE <view> after renaming base table column)
 #
 --disable_warnings
 DROP TABLE IF EXISTS t1;
@@ -2016,13 +2031,14 @@ CREATE VIEW v1 AS SELECT * FROM t1;
 DESCRIBE v1;
 
 ALTER TABLE t1 CHANGE COLUMN f4 f4x CHAR(5);
---error 1356
+--error ER_VIEW_INVALID
 DESCRIBE v1;
 DROP TABLE t1;
 DROP VIEW v1;
 
-# 
-# Bug #12489 wrongly printed strcmp() function results in creation of broken
+
+#
+# Bug#12489 wrongly printed strcmp() function results in creation of broken
 #            view
 create table t1 (f1 char);
 create view v1 as select strcmp(f1,'a') from t1;
@@ -2030,8 +2046,9 @@ select * from v1;
 drop view v1;
 drop table t1;
 
+
 #
-# Bug #12922 if(sum(),...) with group from view returns wrong results 
+# Bug#12922 if(sum(),...) with group from view returns wrong results
 #
 create table t1 (f1 int, f2 int,f3 int);
 insert into t1 values (1,10,20),(2,0,0);
@@ -2039,7 +2056,9 @@ create view v1 as select * from t1;
 select if(sum(f1)>1,f2,f3) from v1 group by f1;
 drop view v1;
 drop table t1;
-# BUG#12941
+
+
+# Bug#12941
 #
 --disable_warnings
 create table t1 (
@@ -2049,7 +2068,7 @@ create table t1 (
 
 create table t2 (
   r_object_id char(16) NOT NULL,
-  i_position int(11) NOT NULL, 
+  i_position int(11) NOT NULL,
   users_names varchar(32) default NULL
 ) Engine = InnoDB;
 --enable_warnings
@@ -2067,23 +2086,25 @@ insert into t2 values('120001a080000542',-1, 'guser01');
 insert into t2 values('120001a080000542',-2, 'guser02');
 
 select v1.r_object_id, v2.users_names from v1, v2
-where (v1.group_name='tstgroup1') and v2.r_object_id=v1.r_object_id 
+where (v1.group_name='tstgroup1') and v2.r_object_id=v1.r_object_id
 order by users_names;
 
 drop view v1, v2;
 drop table t1, t2;
 
+
 #
-# Bug #6808 - Views: CREATE VIEW v ... FROM t AS v fails
+# Bug#6808 Views: CREATE VIEW v ... FROM t AS v fails
 #
 
-create table t1 (s1 int); 
+create table t1 (s1 int);
 create view abc as select * from t1 as abc;
 drop table t1;
 drop view abc;
 
+
 #
-# Bug #12993 View column rename broken in subselect
+# Bug#12993 View column rename broken in subselect
 #
 create table t1(f1 char(1));
 create view v1 as select * from t1;
@@ -2091,15 +2112,17 @@ select * from (select f1 as f2 from v1) v where v.f2='a';
 drop view v1;
 drop table t1;
 
+
 #
-# Bug #11416 Server crash if using a view that uses function convert_tz
+# Bug#11416 Server crash if using a view that uses function convert_tz
 #
 create view v1 as SELECT CONVERT_TZ('2004-01-01 12:00:00','GMT','MET');
 select * from v1;
 drop view v1;
 
+
 #
-# Bugs #12963, #13000: wrong creation of VIEW with DAYNAME, DAYOFWEEK, and WEEKDAY
+# Bugs#12963, #13000 wrong creation of VIEW with DAYNAME, DAYOFWEEK, and WEEKDAY
 #
 
 CREATE TABLE t1 (date DATE NOT NULL);
@@ -2129,8 +2152,9 @@ SELECT * FROM v3;
 DROP TABLE t1;
 DROP VIEW  v1, v2, v3;
 
+
 #
-# Bug #13411: crash when using non-qualified view column in HAVING clause 
+# Bug#13411 crash when using non-qualified view column in HAVING clause
 #
 
 CREATE TABLE t1 ( a int, b int );
@@ -2142,8 +2166,9 @@ SELECT v1.a FROM v1 GROUP BY v1.a HAVING a > 1;
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# Bug #13410: failed name resolution for qualified view column in HAVING 
+# Bug#13410 failed name resolution for qualified view column in HAVING
 #
 
 CREATE TABLE t1 ( a int, b int );
@@ -2157,8 +2182,9 @@ SELECT v_1.a FROM v1 AS v_1 GROUP BY v_1.a HAVING v_1.a IN (1,2,3);
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# Bug #13327 view wasn't using index for const condition
+# Bug#13327 view wasn't using index for const condition
 #
 
 CREATE TABLE t1 (a INT, b INT, INDEX(a,b));
@@ -2175,8 +2201,9 @@ EXPLAIN SELECT * FROM v2 WHERE a=1;
 DROP VIEW v1,v2;
 DROP TABLE t1,t2,t3;
 
+
 #
-# Bug #13622 Wrong view .frm created if some field's alias contain \n
+# Bug#13622 Wrong view .frm created if some field's alias contain \n
 #
 create table t1 (f1 int);
 create view v1 as select t1.f1 as '123
@@ -2185,7 +2212,8 @@ select * from v1;
 drop view v1;
 drop table t1;
 
-# Bug #14466 lost sort order in GROUP_CONCAT() in a view
+
+# Bug#14466 lost sort order in GROUP_CONCAT() in a view
 #
 create table t1 (f1 int, f2 int);
 insert into t1 values(1,1),(1,2),(1,3);
@@ -2196,8 +2224,9 @@ select * from v2;
 drop view v1,v2;
 drop table t1;
 
+
 #
-# BUG#14026 Crash on second PS execution when using views
+# Bug#14026 Crash on second PS execution when using views
 #
 create table t1 (x int, y int);
 create table t2 (x int, y int, z int);
@@ -2207,8 +2236,8 @@ create table t4 (x int, y int, z int);
 create view v1 as
 select t1.x
 from (
-  (t1 join t2 on ((t1.y = t2.y))) 
-  join 
+  (t1 join t2 on ((t1.y = t2.y)))
+  join
   (t3 left join t4 on (t3.y = t4.y) and (t3.z = t4.z))
 );
 
@@ -2220,8 +2249,9 @@ execute stmt1 using @parm1;
 drop view v1;
 drop table t1,t2,t3,t4;
 
+
 #
-# Bug #14540: OPTIMIZE, ANALYZE, REPAIR applied to not a view
+# Bug#14540 OPTIMIZE, ANALYZE, REPAIR applied to not a view
 #
 
 CREATE TABLE t1(id INT);
@@ -2240,7 +2270,7 @@ DROP VIEW v1;
 
 
 #
-# BUG#14719: Views DEFINER grammar is incorrect
+# Bug#14719 Views DEFINER grammar is incorrect
 #
 
 create definer = current_user() sql security invoker view v1 as select 1;
@@ -2251,8 +2281,9 @@ create definer = current_user sql security invoker view v1 as select 1;
 show create view v1;
 drop view v1;
 
+
 #
-# Bug #14816 test_if_order_by_key() expected only Item_fields.
+# Bug#14816 test_if_order_by_key() expected only Item_fields.
 #
 create table t1 (id INT, primary key(id));
 insert into t1 values (1),(2);
@@ -2261,8 +2292,9 @@ explain select id from v1 order by id;
 drop view v1;
 drop table t1;
 
+
 #
-# Bug #14850 Item_ref's values wasn't updated
+# Bug#14850 Item_ref's values wasn't updated
 #
 create table t1(f1 int, f2 int);
 insert into t1 values (null, 10), (null,2);
@@ -2272,8 +2304,9 @@ select f1, sum(f2) from v1 group by f1;
 drop view v1;
 drop table t1;
 
+
 #
-# BUG#14885: incorrect SOURCE in view created in a procedure
+# Bug#14885 incorrect SOURCE in view created in a procedure
 # TODO: here SOURCE string must be shown when it will be possible
 #
 --disable_warnings
@@ -2291,8 +2324,9 @@ show create view v1;
 drop view v1;
 drop procedure p1;
 
+
 #
-# BUG#15096: using function with view for view creation
+# Bug#15096 using function with view for view creation
 #
 CREATE VIEW v1 AS SELECT 42 AS Meaning;
 --disable_warnings
@@ -2312,8 +2346,9 @@ select * from v2;
 drop view v2,v1;
 drop function f1;
 
+
 #
-# Bug#14861: aliased column names are not preserved.
+# Bug#14861 aliased column names are not preserved.
 #
 create table t1 (id numeric, warehouse_id numeric);
 create view v1 as select id from t1;
@@ -2331,8 +2366,9 @@ order by v2.receipt_id;
 drop view v2, v1;
 drop table t1;
 
+
 #
-# Bug#16016: MIN/MAX optimization for views
+# Bug#16016 MIN/MAX optimization for views
 #
 
 CREATE TABLE t1 (a int PRIMARY KEY, b int);
@@ -2355,9 +2391,10 @@ EXPLAIN SELECT MIN(a) FROM v1;
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# Bug#16382: grouping name is resolved against a view column name
-#            which coincides with a select column name
+# Bug#16382 grouping name is resolved against a view column name
+#           which coincides with a select column name
 
 CREATE TABLE t1 (x varchar(10));
 INSERT INTO t1 VALUES (null), ('foo'), ('bar'), (null);
@@ -2372,21 +2409,23 @@ SELECT IF(x IS NULL, 'blank', 'not blank') AS x FROM v1 GROUP BY x;
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# BUG#15943: mysql_next_result hangs on invalid SHOW CREATE VIEW
+# Bug#15943 mysql_next_result hangs on invalid SHOW CREATE VIEW
 #
 
 delimiter //;
-drop table if exists t1; 
-drop view if exists v1; 
-create table t1 (id int); 
-create view v1 as select * from t1; 
-drop table t1; 
-show create view v1; 
+drop table if exists t1;
+drop view if exists v1;
+create table t1 (id int);
+create view v1 as select * from t1;
+drop table t1;
+show create view v1;
 drop view v1;
 //
 delimiter ;//
 
+
 #
 # Bug#17726 Not checked empty list caused endless loop
 #
@@ -2401,9 +2440,10 @@ select * from v2;
 drop view v2, v1;
 drop table t1;
 
+
 #
-# Bug #18386: select from view over a table with ORDER BY view_col clause 
-#             given view_col is not an image of any column from the base table
+# Bug#18386 select from view over a table with ORDER BY view_col clause
+#           given view_col is not an image of any column from the base table
 
 CREATE TABLE t1 (a int);
 INSERT INTO t1 VALUES (1), (2);
@@ -2415,9 +2455,10 @@ SELECT my_sqrt FROM v1 ORDER BY my_sqrt;
 DROP VIEW v1;
 DROP TABLE t1;
 
+
+#
+# Bug#18237 invalid count optimization applied to an outer join with a view
 #
-# Bug #18237: invalid count optimization applied to an outer join with a view 
-#             
 
 CREATE TABLE t1 (id int PRIMARY KEY);
 CREATE TABLE t2 (id int PRIMARY KEY);
@@ -2436,14 +2477,16 @@ DROP VIEW v2;
 
 DROP TABLE t1, t2;
 
+
 #
-# Bug #16069: VIEW does return the same results as underlying SELECT
-#             with WHERE condition containing BETWEEN over dates 
+# Bug#16069 VIEW does return the same results as underlying SELECT
+#           with WHERE condition containing BETWEEN over dates
 # Dates as strings should be casted to date type
+
 CREATE TABLE t1 (id int NOT NULL PRIMARY KEY,
                  td date DEFAULT NULL, KEY idx(td));
 
-INSERT INTO t1 VALUES 
+INSERT INTO t1 VALUES
  (1, '2005-01-01'), (2, '2005-01-02'), (3, '2005-01-02'),
  (4, '2005-01-03'), (5, '2005-01-04'), (6, '2005-01-05'),
  (7, '2005-01-05'), (8, '2005-01-05'), (9, '2005-01-06');
@@ -2456,8 +2499,9 @@ SELECT * FROM v1 WHERE td BETWEEN CAST('2005.01.02' AS DATE) AND CAST('2005.01.0
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# BUG#14308: Recursive view definitions
+# Bug#14308 Recursive view definitions
 #
 # using view only
 create table t1 (a int);
@@ -2487,8 +2531,9 @@ select * from v1;
 drop function f1;
 drop view t1, v1;
 
+
 #
-# Bug #15153: CONVERT_TZ() is not allowed in all places in VIEWs
+# Bug#15153 CONVERT_TZ() is not allowed in all places in VIEWs
 #
 # Error was reported when one tried to use CONVERT_TZ() function
 # select list of view which was processed using MERGE algorithm.
@@ -2499,7 +2544,7 @@ insert into t1 values (20040101000000), (20050101000000), (20060101000000);
 create view v1 as select convert_tz(dt, 'UTC', 'Europe/Moscow') as ldt from t1;
 select * from v1;
 drop view v1;
-# And in its where part 
+# And in its where part
 create view v1 as select * from t1 where convert_tz(dt, 'UTC', 'Europe/Moscow') >= 20050101000000;
 select * from v1;
 # Other interesting case - a view which uses convert_tz() function
@@ -2514,9 +2559,10 @@ select * from v2;
 drop view v1, v2;
 drop table t1;
 
+
 #
-# Bug #19490: usage of view specified by a query with GROUP BY
-#             an expression containing non-constant interval
+# Bug#19490 usage of view specified by a query with GROUP BY
+#           an expression containing non-constant interval
 
 CREATE TABLE t1 (id int NOT NULL PRIMARY KEY, d datetime);
 
@@ -2530,8 +2576,9 @@ SELECT * FROM v1;
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# Bug#19077: A nested materialized view is used before being populated.
+# Bug#19077 A nested materialized view is used before being populated.
 #
 CREATE TABLE t1 (i INT, j BIGINT);
 INSERT INTO t1 VALUES (1, 2), (2, 2), (3, 2);
@@ -2541,9 +2588,10 @@ SELECT * FROM v2;
 DROP VIEW v2, v1;
 DROP TABLE t1;
 
+
+#
+# Bug#19573 VIEW with HAVING that refers an alias name
 #
-# Bug #19573: VIEW with HAVING that refers an alias name
-# 
 
 CREATE TABLE t1(
   fName varchar(25) NOT NULL,
@@ -2551,7 +2599,7 @@ CREATE TABLE t1(
   DOB date NOT NULL,
   test_date date NOT NULL,
   uID int unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY);
- 
+
 INSERT INTO t1(fName, lName, DOB, test_date) VALUES
   ('Hank', 'Hill', '1964-09-29', '2007-01-01'),
   ('Tom', 'Adams', '1908-02-14', '2007-01-01'),
@@ -2559,8 +2607,8 @@ INSERT INTO t1(fName, lName, DOB, test_date) VALUES
 
 CREATE VIEW v1 AS
   SELECT (year(test_date)-year(DOB)) AS Age
-    FROM t1 HAVING Age < 75; 
-SHOW CREATE VIEW v1;           
+    FROM t1 HAVING Age < 75;
+SHOW CREATE VIEW v1;
 
 SELECT (year(test_date)-year(DOB)) AS Age FROM t1 HAVING Age < 75;
 SELECT * FROM v1;
@@ -2568,8 +2616,9 @@ SELECT * FROM v1;
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# Bug #19089: wrong inherited dafault values in temp table views
+# Bug#19089 wrong inherited dafault values in temp table views
 #
 
 CREATE TABLE t1 (id int NOT NULL PRIMARY KEY, a char(6) DEFAULT 'xxx');
@@ -2599,8 +2648,9 @@ SELECT * FROM t2;
 DROP VIEW v1;
 DROP TABLE t1,t2;
 
+
 #
-# Bug#16110: insert permitted into view col w/o default value
+# Bug#16110 insert permitted into view col w/o default value
 #
 CREATE TABLE t1 (a INT NOT NULL, b INT NULL DEFAULT NULL);
 CREATE VIEW v1 AS SELECT a, b FROM t1;
@@ -2608,7 +2658,7 @@ CREATE VIEW v1 AS SELECT a, b FROM t1;
 INSERT INTO v1 (b) VALUES (2);
 
 SET SQL_MODE = STRICT_ALL_TABLES;
---error 1423
+--error ER_NO_DEFAULT_FOR_VIEW_FIELD
 INSERT INTO v1 (b) VALUES (4);
 SET SQL_MODE = '';
 
@@ -2617,8 +2667,9 @@ SELECT * FROM t1;
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# Bug #18243: expression over a view column that with the REVERSE function
+# Bug#18243 expression over a view column that with the REVERSE function
 #
 
 CREATE TABLE t1 (firstname text, surname text);
@@ -2633,21 +2684,23 @@ SELECT CONCAT(LEFT(name,LENGTH(name)-INSTR(REVERSE(name)," ")),
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# Bug #19714: wrong type of a view column specified by an expressions over ints
+# Bug#19714 wrong type of a view column specified by an expressions over ints
 #
 
 CREATE TABLE t1 (i int, j int);
 CREATE VIEW v1 AS SELECT COALESCE(i,j) FROM t1;
 DESCRIBE v1;
-CREATE TABLE t2 SELECT COALESCE(i,j) FROM t1;  
+CREATE TABLE t2 SELECT COALESCE(i,j) FROM t1;
 DESCRIBE t2;
 
 DROP VIEW v1;
 DROP TABLE t1,t2;
 
+
 #
-# Bug #17526: views with TRIM functions
+# Bug#17526 views with TRIM functions
 #
 
 CREATE TABLE t1 (s varchar(10));
@@ -2658,20 +2711,21 @@ CREATE VIEW v1 AS SELECT TRIM(BOTH 'y' FROM s) FROM t1;
 SELECT * FROM v1;
 DROP VIEW v1;
 
-SELECT TRIM(LEADING 'y' FROM s) FROM t1; 
+SELECT TRIM(LEADING 'y' FROM s) FROM t1;
 CREATE VIEW v1 AS SELECT TRIM(LEADING 'y' FROM s) FROM t1;
 SELECT * FROM v1;
 DROP VIEW v1;
 
-SELECT TRIM(TRAILING 'y' FROM s) FROM t1; 
+SELECT TRIM(TRAILING 'y' FROM s) FROM t1;
 CREATE VIEW v1 AS SELECT TRIM(TRAILING 'y' FROM s) FROM t1;
 SELECT * FROM v1;
 DROP VIEW v1;
 
 DROP TABLE t1;
 
+
 #
-#Bug #21080: ALTER VIEW makes user restate SQL SECURITY mode, and ALGORITHM
+# Bug#21080 ALTER VIEW makes user restate SQL SECURITY mode, and ALGORITHM
 #
 CREATE TABLE t1 (x INT, y INT);
 CREATE ALGORITHM=TEMPTABLE SQL SECURITY INVOKER VIEW v1 AS SELECT x FROM t1;
@@ -2682,8 +2736,10 @@ SHOW CREATE VIEW v1;
 
 DROP VIEW v1;
 DROP TABLE t1;
-# Bug #21086: server crashes when VIEW defined with a SELECT with COLLATE 
-# clause is called
+
+
+# Bug#21086 server crashes when VIEW defined with a SELECT with COLLATE
+#           clause is called
 #
 CREATE TABLE t1 (s1 char);
 INSERT INTO t1 VALUES ('Z');
@@ -2700,19 +2756,20 @@ SELECT s1 FROM t1;
 DROP VIEW v1, v2;
 DROP TABLE t1;
 
+
 #
-# Bug #11551: Asymmetric + undocumented behaviour of DROP VIEW and DROP TABLE
+# Bug#11551 Asymmetric + undocumented behaviour of DROP VIEW and DROP TABLE
 #
 CREATE TABLE t1 (id INT);
 CREATE VIEW v1 AS SELECT id FROM t1;
 SHOW TABLES;
 
---error 1051
+--error ER_BAD_TABLE_ERROR
 DROP VIEW v2,v1;
 SHOW TABLES;
 
 CREATE VIEW v1 AS SELECT id FROM t1;
---error 1347
+--error ER_WRONG_OBJECT
 DROP VIEW t1,v1;
 SHOW TABLES;
 
@@ -2721,13 +2778,14 @@ DROP TABLE t1;
 DROP VIEW IF EXISTS v1;
 --enable_warnings
 
+
 #
-# Bug #21261: Wrong access rights was required for an insert to a view
+# Bug#21261 Wrong access rights was required for an insert to a view
 #
 CREATE DATABASE bug21261DB;
 USE bug21261DB;
-CONNECT (root,localhost,root,,bug21261DB);
-CONNECTION root;
+connect (root,localhost,root,,bug21261DB);
+connection root;
 
 CREATE TABLE t1 (x INT);
 CREATE SQL SECURITY INVOKER VIEW v1 AS SELECT x FROM t1;
@@ -2736,34 +2794,41 @@ GRANT INSERT, UPDATE ON t1 TO 'user21261'@'localhost';
 CREATE TABLE t2 (y INT);
 GRANT SELECT ON t2 TO 'user21261'@'localhost';
 
-CONNECT (user21261, localhost, user21261,, bug21261DB);
-CONNECTION user21261;
+connect (user21261, localhost, user21261,, bug21261DB);
+connection user21261;
 INSERT INTO v1 (x) VALUES (5);
 UPDATE v1 SET x=1;
-CONNECTION root;
+connection root;
 GRANT SELECT ON v1 TO 'user21261'@'localhost';
 GRANT SELECT ON t1 TO 'user21261'@'localhost';
-CONNECTION user21261;
+connection user21261;
 UPDATE v1,t2 SET x=1 WHERE x=y;
-CONNECTION root;
+connection root;
 SELECT * FROM t1;
 REVOKE ALL PRIVILEGES, GRANT OPTION FROM 'user21261'@'localhost';
 DROP USER 'user21261'@'localhost';
 DROP VIEW v1;
 DROP TABLE t1;
 DROP DATABASE bug21261DB;
+
+connection default;
 USE test;
+disconnect root;
+disconnect user21261;
+
 
 #
-# Bug #15950: NOW() optimized away in VIEWs
+# Bug#15950 NOW() optimized away in VIEWs
 #
 create table t1 (f1 datetime);
 create view v1 as select * from t1 where f1 between now() and now() + interval 1 minute;
 show create view v1;
 drop view v1;
 drop table t1;
+
+
 #
-# Test for BUG#16899: Possible buffer overflow in handling of DEFINER-clause.
+# Test for Bug#16899 Possible buffer overflow in handling of DEFINER-clause.
 #
 
 # Prepare.
@@ -2790,8 +2855,7 @@ DROP TABLE t1;
 
 
 #
-# BUG#17591: Updatable view not possible with trigger or stored
-# function 
+# Bug#17591 Updatable view not possible with trigger or stored function
 #
 # During prelocking phase we didn't update lock type of view tables,
 # hence READ lock was always requested.
@@ -2835,11 +2899,12 @@ DROP FUNCTION f2;
 DROP VIEW v1, v2;
 DROP TABLE t1;
 
+
 #
-# Bug #5500: wrong select_type in EXPLAIN output for queries over views
+# Bug#5500 wrong select_type in EXPLAIN output for queries over views
 #
 
-CREATE TABLE t1 (s1 int); 
+CREATE TABLE t1 (s1 int);
 CREATE VIEW v1 AS SELECT * FROM t1;
 
 EXPLAIN SELECT * FROM t1;
@@ -2847,34 +2912,36 @@ EXPLAIN SELECT * FROM v1;
 
 INSERT INTO t1 VALUES (1), (3), (2);
 
-EXPLAIN SELECT * FROM t1 t WHERE t.s1+1 < (SELECT MAX(t1.s1) FROM t1); 
-EXPLAIN SELECT * FROM v1 t WHERE t.s1+1 < (SELECT MAX(t1.s1) FROM t1); 
+EXPLAIN SELECT * FROM t1 t WHERE t.s1+1 < (SELECT MAX(t1.s1) FROM t1);
+EXPLAIN SELECT * FROM v1 t WHERE t.s1+1 < (SELECT MAX(t1.s1) FROM t1);
 
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# Bug #5505: Wrong error message on INSERT into a view
+# Bug#5505 Wrong error message on INSERT into a view
 #
 create table t1 (s1 int);
 create view v1 as select s1 as a, s1 as b from t1;
 --error ER_NON_INSERTABLE_TABLE
-insert into v1 values (1,1); 
+insert into v1 values (1,1);
 update v1 set a = 5;
 drop view v1;
 drop table t1;
 
+
 #
-# Bug #21646: view qith a subquery in ON expression 
+# Bug#21646 view qith a subquery in ON expression
 #
 
-CREATE TABLE t1(pk int PRIMARY KEY); 
+CREATE TABLE t1(pk int PRIMARY KEY);
 CREATE TABLE t2(pk int PRIMARY KEY, fk int, ver int, org int);
 
-CREATE ALGORITHM=MERGE VIEW v1 AS 
+CREATE ALGORITHM=MERGE VIEW v1 AS
 SELECT t1.*
-  FROM t1 JOIN t2 
-       ON t2.fk = t1.pk AND 
+  FROM t1 JOIN t2
+       ON t2.fk = t1.pk AND
           t2.ver = (SELECT MAX(t.ver) FROM t2 t WHERE t.org = t2.org);
 SHOW WARNINGS;
 SHOW CREATE VIEW v1;
@@ -2882,9 +2949,9 @@ SHOW CREATE VIEW v1;
 DROP VIEW v1;
 DROP TABLE t1, t2;
 
+
 #
-# Bug#19111: TRIGGERs selecting from a VIEW on the firing base table
-# fail
+# Bug#19111 TRIGGERs selecting from a VIEW on the firing base table fail
 #
 # Allow to select from a view on a table being modified in a trigger
 # and stored function, since plain select is allowed there.
@@ -2915,22 +2982,24 @@ DROP FUNCTION f1;
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# Bug #16813 (WITH CHECK OPTION doesn't work with UPDATE)
+# Bug#16813 (WITH CHECK OPTION doesn't work with UPDATE)
 #
 CREATE TABLE t1(id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY, val INT UNSIGNED NOT NULL);
 CREATE VIEW v1 AS SELECT id, val FROM t1 WHERE val >= 1 AND val <= 5 WITH CHECK OPTION;
 INSERT INTO v1 (val) VALUES (2);
 INSERT INTO v1 (val) VALUES (4);
--- error 1369
+-- error ER_VIEW_CHECK_FAILED
 INSERT INTO v1 (val) VALUES (6);
--- error 1369
+-- error ER_VIEW_CHECK_FAILED
 UPDATE v1 SET val=6 WHERE id=2;
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# BUG#22584: last_insert_id not updated after inserting a record
+# Bug#22584 last_insert_id not updated after inserting a record
 # through a updatable view
 #
 # We still do not update LAST_INSERT_ID if AUTO_INCREMENT column is
@@ -2966,8 +3035,9 @@ SELECT * FROM t1;
 DROP VIEW v1, v2;
 DROP TABLE t1;
 
+
 #
-# Bug #25580: !0 as an operand in a select expression of a view
+# Bug#25580 !0 as an operand in a select expression of a view
 #
 
 CREATE VIEW v AS SELECT !0 * 5 AS x FROM DUAL;
@@ -2978,8 +3048,9 @@ SELECT * FROM v;
 
 DROP VIEW v;
 
+
 #
-# BUG#24293: '\Z' token is not handled correctly in views
+# Bug#24293 '\Z' token is not handled correctly in views
 #
 
 --disable_warnings
@@ -2993,8 +3064,9 @@ SHOW CREATE VIEW v1;
 
 DROP VIEW v1;
 
+
 #
-# Bug #26124: BETWEEN over a view column of the DATETIME type
+# Bug#26124 BETWEEN over a view column of the DATETIME type
 #
 
 CREATE TABLE t1 (mydate DATETIME);
@@ -3009,8 +3081,9 @@ SELECT * FROM v1 WHERE mydate BETWEEN '2007-01-01' AND '2007-01-31';
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# Bug #25931: update of a multi-table view with check option
+# Bug#25931 update of a multi-table view with check option
 #
 
 CREATE TABLE t1 (a int);
@@ -3022,7 +3095,7 @@ CREATE VIEW v1 AS
   SELECT t2.b FROM t1,t2 WHERE t1.a = t2.b WITH CHECK OPTION;
 
 SELECT * FROM v1;
---error 1369
+--error ER_VIEW_CHECK_FAILED
 UPDATE v1 SET b=3;
 SELECT * FROM v1;
 SELECT * FROM t1;
@@ -3031,8 +3104,9 @@ SELECT * FROM t2;
 DROP VIEW v1;
 DROP TABLE t1,t2;
 
+
 #
-# Bug#12122: Views with ORDER BY can't be resolved using MERGE algorithm.
+# Bug#12122 Views with ORDER BY can't be resolved using MERGE algorithm.
 #
 create table t1(f1 int, f2 int);
 insert into t1 values(1,2),(1,3),(1,1),(2,3),(2,1),(2,2);
@@ -3046,7 +3120,7 @@ drop view v1;
 drop table t1;
 
 #
-# Bug#26209: queries with GROUP BY and ORDER BY using views
+# Bug#26209 queries with GROUP BY and ORDER BY using views
 #
 
 CREATE TABLE t1 (
@@ -3065,9 +3139,9 @@ SELECT code, COUNT(DISTINCT country) FROM v1 GROUP BY code ORDER BY MAX(id);
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# BUG#25897: Some queries are no longer possible after a CREATE VIEW
-# fails 
+# Bug#25897 Some queries are no longer possible after a CREATE VIEW fails
 #
 --disable_warnings
 DROP VIEW IF EXISTS v1;
@@ -3081,9 +3155,9 @@ eval CREATE VIEW v1 AS $query;
 --echo # Previously the following would fail.
 eval $query;
 
+
 #
-# Bug#24532: The return data type of IS TRUE is different from similar
-# operations
+# Bug#24532 The return data type of IS TRUE is different from similar operations
 #
 
 --disable_warnings
@@ -3168,8 +3242,9 @@ drop view view_24532_a;
 drop view view_24532_b;
 drop table table_24532;
 
+
 #
-# Bug#26560: view using subquery with a reference to an outer alias 
+# Bug#26560 view using subquery with a reference to an outer alias
 #
 
 CREATE TABLE t1 (
@@ -3180,7 +3255,7 @@ INSERT INTO t1 (lid, name) VALUES
   (1, 'YES'), (2, 'NO');
 
 CREATE TABLE t2 (
-  id int NOT NULL PRIMARY KEY, 
+  id int NOT NULL PRIMARY KEY,
   gid int NOT NULL,
   lid int NOT NULL,
   dt date
@@ -3208,8 +3283,9 @@ SELECT * FROM v1;
 DROP VIEW v1;
 DROP table t1,t2;
 
+
 #
-# Bug#27786: Inconsistent Operation Performing UNION On View With ORDER BY 
+# Bug#27786 Inconsistent Operation Performing UNION On View With ORDER BY
 #
 CREATE TABLE t1 (a INT); INSERT INTO t1 VALUES (1),(2),(3);
 CREATE VIEW v1 AS SELECT a FROM t1 ORDER BY a;
@@ -3224,8 +3300,9 @@ EXPLAIN SELECT * FROM t1 UNION SELECT * FROM v1 ORDER BY a;
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# Bug #27921 View ignores precision for CAST()
+# Bug#27921 View ignores precision for CAST()
 #
 CREATE VIEW v1 AS SELECT CAST( 1.23456789 AS DECIMAL( 7,5 ) ) AS col;
 SELECT * FROM v1;
@@ -3236,9 +3313,10 @@ CREATE VIEW v1 AS SELECT CAST(1.23456789 AS DECIMAL(8,0)) AS col;
 SHOW CREATE VIEW v1;
 DROP VIEW v1;
 
+
 #
-# Bug #28716: CHECK OPTION expression is evaluated over expired record buffers
-# when VIEW is updated via temporary tables
+# Bug#28716 CHECK OPTION expression is evaluated over expired record buffers
+#           when VIEW is updated via temporary tables
 #
 CREATE TABLE t1 (a INT);
 CREATE TABLE t2 (b INT, c INT DEFAULT 0);
@@ -3252,9 +3330,10 @@ SELECT * FROM v1;
 DROP VIEW v1;
 DROP TABLE t1,t2;
 
+
 #
-# Bug #28561: update on multi-table view with CHECK OPTION and
-#             a subquery in WHERE condition
+# Bug#28561 update on multi-table view with CHECK OPTION and a subquery
+#           in WHERE condition
 #
 
 CREATE TABLE t1 (id int);
@@ -3262,8 +3341,8 @@ CREATE TABLE t2 (id int, c int DEFAULT 0);
 INSERT INTO t1 (id) VALUES (1);
 INSERT INTO t2 (id) VALUES (1);
 
-CREATE VIEW v1 AS 
-  SELECT t2.c FROM t1, t2 
+CREATE VIEW v1 AS
+  SELECT t2.c FROM t1, t2
     WHERE t1.id=t2.id AND 1 IN (SELECT id FROM t1) WITH CHECK OPTION;
 
 UPDATE v1 SET c=1;
@@ -3271,9 +3350,10 @@ UPDATE v1 SET c=1;
 DROP VIEW v1;
 DROP TABLE t1,t2;
 
+
 #
-# Bug #27827: CHECK OPTION ignores ON conditions when updating
-#             a multi-table view with CHECK OPTION.
+# Bug#27827 CHECK OPTION ignores ON conditions when updating
+#           a multi-table view with CHECK OPTION.
 #
 
 CREATE TABLE t1 (a1 INT, c INT DEFAULT 0);
@@ -3289,14 +3369,14 @@ CREATE VIEW v1 AS
   SELECT t1.a1, t1.c FROM t1 JOIN t2 ON t1.a1=t2.a2 AND t1.c < 3
     WITH CHECK OPTION;
 SELECT * FROM v1;
---error 1369
+--error ER_VIEW_CHECK_FAILED
 UPDATE v1 SET c=3;
 PREPARE t FROM 'UPDATE v1 SET c=3';
---error 1369
+--error ER_VIEW_CHECK_FAILED
 EXECUTE t;
---error 1369
+--error ER_VIEW_CHECK_FAILED
 EXECUTE t;
---error 1369
+--error ER_VIEW_CHECK_FAILED
 INSERT INTO v1(a1, c) VALUES (3, 3);
 UPDATE v1 SET c=1 WHERE a1=1;
 SELECT * FROM v1;
@@ -3307,14 +3387,14 @@ CREATE VIEW v2 AS SELECT t1.a1, t1.c
   JOIN (t3 JOIN t4 ON t3.a3=t4.a4)
     ON t2.a2=t3.a3 WITH CHECK OPTION;
 SELECT * FROM v2;
---error 1369
+--error ER_VIEW_CHECK_FAILED
 UPDATE v2 SET c=3;
 PREPARE t FROM 'UPDATE v2 SET c=3';
---error 1369
+--error ER_VIEW_CHECK_FAILED
 EXECUTE t;
---error 1369
+--error ER_VIEW_CHECK_FAILED
 EXECUTE t;
---error 1369
+--error ER_VIEW_CHECK_FAILED
 INSERT INTO v2(a1, c) VALUES (3, 3);
 UPDATE v2 SET c=2 WHERE a1=1;
 SELECT * FROM v2;
@@ -3323,10 +3403,11 @@ SELECT * FROM t1;
 DROP VIEW v1,v2;
 DROP TABLE t1,t2,t3,t4;
 
+
 #
-# Bug #29104: assertion abort for a query with a view column reference
-#             in the GROUP BY list and a condition requiring the value  
-#             of another view column to be equal to a constant
+# Bug#29104 assertion abort for a query with a view column reference
+#           in the GROUP BY list and a condition requiring the value
+#           of another view column to be equal to a constant
 #
 
 CREATE TABLE t1 (a int, b int);
@@ -3347,9 +3428,10 @@ EXPLAIN SELECT a, SUM(b) FROM v1 WHERE a=1 GROUP BY a;
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# Bug #29392: SELECT over a multi-table view with ORDER BY  
-#             selecting the same view column with two different aliases  
+# Bug#29392 SELECT over a multi-table view with ORDER BY
+#           selecting the same view column with two different aliases
 #
 
 CREATE TABLE t1 (
@@ -3373,7 +3455,7 @@ CREATE TABLE t3 (
   INDEX idx_app_name(app_name)
 );
 
-CREATE VIEW v1 AS 
+CREATE VIEW v1 AS
 SELECT profile.person_id AS person_id
   FROM t1 profile, t2 userrole, t3 role
     WHERE userrole.person_id = profile.person_id AND
@@ -3387,35 +3469,37 @@ INSERT INTO  t1 VALUES
 INSERT INTO t2 VALUES
   (1,3,6),(2,4,7),(3,5,8),(4,6,9),(5,1,6),(6,1,7),(7,1,8),(8,1,9),(9,1,10);
 
-INSERT INTO t3 VALUES 
+INSERT INTO t3 VALUES
   (1,'NUCANS_APP_USER','NUCANSAPP'),(2,'NUCANS_TRGAPP_USER','NUCANSAPP'),
   (3,'IA_INTAKE_COORDINATOR','IACANS'),(4,'IA_SCREENER','IACANS'),
   (5,'IA_SUPERVISOR','IACANS'),(6,'IA_READONLY','IACANS'),
   (7,'SOC_USER','SOCCANS'),(8,'CAYIT_USER','CAYITCANS'),
   (9,'RTOS_DCFSPOS_SUPERVISOR','RTOS');
- 
+
 EXPLAIN SELECT t.person_id AS a, t.person_id AS b FROM v1 t WHERE t.person_id=6;
 SELECT t.person_id AS a, t.person_id AS b FROM v1 t WHERE t.person_id=6;
 
 DROP VIEW v1;
 DROP TABLE t1,t2,t3;
 
+
 #
-# Bug#30020: Insufficient check led to a wrong info provided by the
-#            information schema table.
+# Bug#30020 Insufficient check led to a wrong info provided by the
+#           information schema table.
 #
 create table t1 (i int);
 insert into t1 values (1), (2), (1), (3), (2), (4);
 create view v1 as select distinct i from t1;
 select * from v1;
-select table_name, is_updatable from information_schema.views 
+select table_name, is_updatable from information_schema.views
    where table_name = 'v1';
 drop view v1;
 drop table t1;
 
+
 #
-# Bug #28701: SELECTs from VIEWs completely ignore USE/FORCE KEY, allowing
-# invalid statements
+# Bug#28701 SELECTs from VIEWs completely ignore USE/FORCE KEY, allowing
+#           invalid statements
 #
 
 CREATE TABLE t1 (a INT);
@@ -3431,8 +3515,9 @@ SELECT * FROM v1 IGNORE KEY(non_existant);
 DROP VIEW v1;
 DROP TABLE t1;
 
+
 #
-# Bug #28702: VIEWs defined with USE/FORCE KEY ignore that request
+# Bug#28702 VIEWs defined with USE/FORCE KEY ignore that request
 #
 CREATE TABLE t1 (a INT NOT NULL AUTO_INCREMENT, b INT NOT NULL DEFAULT 0,
                  PRIMARY KEY(a), KEY (b));
@@ -3452,9 +3537,10 @@ DROP VIEW v2;
 DROP VIEW v3;
 DROP TABLE t1;
 
+
 --echo #
---echo # Bug#29477: Not all fields of the target table were checked to have
---echo #            a default value when inserting into a view.
+--echo # Bug#29477 Not all fields of the target table were checked to have
+--echo #           a default value when inserting into a view.
 --echo #
 create table t1(f1 int, f2 int not null);
 create view v1 as select f1 from t1;
@@ -3467,29 +3553,31 @@ set @@sql_mode=@old_mode;
 drop view v1;
 drop table t1;
 
+
 #
-# Bug #33389: Selecting from a view into a table from within SP or trigger 
-#             crashes server
+# Bug#33389 Selecting from a view into a table from within SP or trigger
+#           crashes server
 #
 
 create table t1 (a int, key(a));
 create table t2 (c int);
-                   
+
 create view v1 as select a b from t1;
-create view v2 as select 1 a from t2, v1 where c in 
+create view v2 as select 1 a from t2, v1 where c in
                   (select 1 from t1 where b = a);
-                   
+
 insert into t1 values (1), (1);
 insert into t2 values (1), (1);
-                   
+
 prepare stmt from "select * from v2 where a = 1";
-execute stmt; 
+execute stmt;
 
 drop view v1, v2;
 drop table t1, t2;
 
+
 #
-# Bug #33049: Assert while running test-as3ap test(mysql-bench suite)
+# Bug#33049 Assert while running test-as3ap test(mysql-bench suite)
 #
 
 CREATE TABLE t1 (a INT);
@@ -3504,7 +3592,7 @@ DROP TABLE t1;
 ###########################################################################
 
 --echo # -----------------------------------------------------------------
---echo # -- Bug#34337: Server crash when Altering a view using a table name.
+--echo # -- Bug#34337 Server crash when Altering a view using a table name.
 --echo # -----------------------------------------------------------------
 --echo
 
@@ -3534,8 +3622,8 @@ DROP TABLE t1;
 ###########################################################################
 
 --echo # -----------------------------------------------------------------
---echo # -- Bug#35193: VIEW query is rewritten without "FROM DUAL",
---echo # --            causing syntax error
+--echo # -- Bug#35193 VIEW query is rewritten without "FROM DUAL",
+--echo # --           causing syntax error
 --echo # -----------------------------------------------------------------
 --echo
 
@@ -3557,15 +3645,16 @@ DROP VIEW v1;
 ###########################################################################
 
 #
-# Bug#39040: valgrind errors/crash when creating views with binlog logging 
-# enabled
+# Bug#39040 valgrind errors/crash when creating views with binlog logging
+#           enabled
 #
 # Bug is visible only when running in valgrind with binary logging.
 CREATE VIEW v1 AS SELECT 1;
 DROP VIEW v1;
 
+
 #
-# Bug #33461: SELECT ... FROM <view> USE INDEX (...) throws an error
+# Bug#33461 SELECT ... FROM <view> USE INDEX (...) throws an error
 #
 
 CREATE TABLE t1 (c1 INT PRIMARY KEY, c2 INT, INDEX (c2));
@@ -3616,7 +3705,7 @@ USE test;
 
 --echo
 --echo #
---echo # Bug#26676: VIEW using old table schema in a session.
+--echo # Bug#26676 VIEW using old table schema in a session.
 --echo #
 --echo
 
@@ -3668,7 +3757,7 @@ DROP TABLE t1;
 ###########################################################################
 
 --echo # -----------------------------------------------------------------
---echo # -- Bug#32538: View definition picks up character set, but not collation
+--echo # -- Bug#32538 View definition picks up character set, but not collation
 --echo # -----------------------------------------------------------------
 --echo
 
diff --git a/mysql-test/t/view_grant.test b/mysql-test/t/view_grant.test
index a08d0d0e097..824c67d867e 100644
--- a/mysql-test/t/view_grant.test
+++ b/mysql-test/t/view_grant.test
@@ -1,6 +1,9 @@
 # Can't test with embedded server
 -- source include/not_embedded.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 --disable_warnings
 drop database if exists mysqltest;
 drop view if exists v1,v2,v3;
@@ -32,19 +35,19 @@ grant create view,select on test.* to mysqltest_1@localhost;
 connect (user1,localhost,mysqltest_1,,test);
 connection user1;
 
--- error ER_SPECIFIC_ACCESS_DENIED_ERROR
+--error ER_SPECIFIC_ACCESS_DENIED_ERROR
 create definer=root@localhost view v1 as select * from mysqltest.t1;
 create view v1 as select * from mysqltest.t1;
 # try to modify view without DROP privilege on it
--- error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 alter view v1 as select * from mysqltest.t1;
--- error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 create or replace view v1 as select * from mysqltest.t1;
 # no CRETE VIEW privilege
--- error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 create view mysqltest.v2  as select * from mysqltest.t1;
 # no SELECT privilege
--- error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 create view v2 as select * from mysqltest.t2;
 
 connection root;
@@ -54,7 +57,7 @@ show create view v1;
 grant create view,drop,select on test.* to mysqltest_1@localhost;
 
 connection user1;
-# following 'use' command is workaround of bug #9582 and should be removed
+# following 'use' command is workaround of Bug#9582 and should be removed
 # when that bug will be fixed
 use test;
 alter view v1 as select * from mysqltest.t1;
@@ -82,7 +85,7 @@ grant select (c) on mysqltest.v1 to mysqltest_1@localhost;
 connection user1;
 select c from mysqltest.v1;
 # there are no privileges on column 'd'
--- error 1143
+--error ER_COLUMNACCESS_DENIED_ERROR
 select d from mysqltest.v1;
 
 connection root;
@@ -102,7 +105,7 @@ grant select (c) on mysqltest.v1 to mysqltest_1@localhost;
 connection user1;
 select c from mysqltest.v1;
 # there are no privileges on column 'd'
--- error 1143
+--error ER_COLUMNACCESS_DENIED_ERROR
 select d from mysqltest.v1;
 
 connection root;
@@ -117,7 +120,7 @@ connection root;
 --disable_warnings
 create database mysqltest;
 --enable_warnings
-#prepare views and tables
+# prepare views and tables
 create table mysqltest.t1 (a int, b int);
 create table mysqltest.t2 (a int, b int);
 create view mysqltest.v1 (c,d) as select a+1,b+1 from mysqltest.t1;
@@ -139,21 +142,21 @@ select c from mysqltest.v4;
 show columns from mysqltest.v1;
 show columns from mysqltest.v2;
 # but explain/show do not
--- error 1345
+--error ER_VIEW_NO_EXPLAIN
 explain select c from mysqltest.v1;
--- error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 show create view mysqltest.v1;
--- error 1345
+--error ER_VIEW_NO_EXPLAIN
 explain select c from mysqltest.v2;
--- error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 show create view mysqltest.v2;
--- error 1345
+--error ER_VIEW_NO_EXPLAIN
 explain select c from mysqltest.v3;
--- error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 show create view mysqltest.v3;
--- error 1345
+--error ER_VIEW_NO_EXPLAIN
 explain select c from mysqltest.v4;
--- error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 show create view mysqltest.v4;
 
 # allow to see one of underlying table
@@ -162,19 +165,19 @@ grant select on mysqltest.t1 to mysqltest_1@localhost;
 connection user1;
 # EXPLAIN of view on above table works
 explain select c from mysqltest.v1;
--- error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 show create view mysqltest.v1;
 explain select c from mysqltest.v2;
--- error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 show create view mysqltest.v2;
 # but other EXPLAINs do not
--- error 1345
+--error ER_VIEW_NO_EXPLAIN
 explain select c from mysqltest.v3;
--- error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 show create view mysqltest.v3;
--- error 1345
+--error ER_VIEW_NO_EXPLAIN
 explain select c from mysqltest.v4;
--- error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 show create view mysqltest.v4;
 
 # allow to see any view in mysqltest database
@@ -228,14 +231,14 @@ select * from t1;
 update v2 set a=a+c;
 select * from t1;
 # no rights on column
--- error 1143
+--error ER_COLUMNACCESS_DENIED_ERROR
 update t2,v2 set v2.c=v2.a+v2.c where t2.x=v2.c;
--- error 1143
+--error ER_COLUMNACCESS_DENIED_ERROR
 update v2 set c=a+c;
 # no rights for view
--- error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 update t2,v3 set v3.a=v3.a+v3.c where t2.x=v3.c;
--- error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 update v3 set a=a+c;
 
 use test;
@@ -269,9 +272,9 @@ select * from t1;
 delete v1 from t2,v1 where t2.x=v1.c;
 select * from t1;
 # no rights for view
--- error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 delete v2 from t2,v2 where t2.x=v2.c;
--- error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 delete from v2 where c < 4;
 
 use test;
@@ -305,9 +308,9 @@ select * from t1;
 insert into v1 select x,y from t2;
 select * from t1;
 # no rights for view
--- error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 insert into v2 values (5,6);
--- error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 insert into v2 select x,y from t2;
 
 use test;
@@ -335,10 +338,10 @@ connection user1;
 create view v1 as select * from mysqltest.t1;
 create view v2 as select b from mysqltest.t2;
 # There are not rights on mysqltest.v1
--- error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 create view mysqltest.v1 as select * from mysqltest.t1;
 # There are not any rights on mysqltest.t2.a
--- error 1143
+--error ER_COLUMNACCESS_DENIED_ERROR
 create view v3 as select a from mysqltest.t2;
 
 # give CREATE VIEW privileges (without any privileges for result column)
@@ -358,13 +361,13 @@ create view mysqltest.v3 as select b from mysqltest.t2;
 
 
 # Expression need select privileges
--- error 1143
+--error ER_COLUMNACCESS_DENIED_ERROR
 create view v4 as select b+1 from mysqltest.t2;
 
 connection root;
 grant create view,update,select on test.* to mysqltest_1@localhost;
 connection user1;
--- error 1143
+--error ER_COLUMNACCESS_DENIED_ERROR
 create view v4 as select b+1 from mysqltest.t2;
 
 connection root;
@@ -417,7 +420,7 @@ connection root;
 # check view definer information
 show create view v1;
 revoke select on mysqltest.t1 from mysqltest_1@localhost;
--- error ER_VIEW_INVALID
+--error ER_VIEW_INVALID
 select * from v1;
 grant select on mysqltest.t1 to mysqltest_1@localhost;
 select * from v1;
@@ -426,7 +429,7 @@ drop view v1;
 drop database mysqltest;
 
 #
-# rights on execution of view underlying functiond (BUG#9505)
+# rights on execution of view underlying functiond (Bug#9505)
 #
 connection root;
 --disable_warnings
@@ -459,11 +462,11 @@ connection user1;
 use mysqltest;
 select * from v1;
 select * from v2;
--- error ER_VIEW_INVALID
+--error ER_VIEW_INVALID
 select * from v3;
--- error ER_VIEW_INVALID
+--error ER_VIEW_INVALID
 select * from v4;
--- error ER_VIEW_INVALID
+--error ER_VIEW_INVALID
 select * from v5;
 use test;
 
@@ -511,13 +514,13 @@ use test;
 connection root;
 create view v5 as select * from v1;
 revoke execute on function f2 from mysqltest_1@localhost;
--- error ER_VIEW_INVALID
+--error ER_VIEW_INVALID
 select * from v1;
--- error ER_VIEW_INVALID
+--error ER_VIEW_INVALID
 select * from v2;
 select * from v3;
 select * from v4;
--- error ER_VIEW_INVALID
+--error ER_VIEW_INVALID
 select * from v5;
 
 drop view v1, v2, v3, v4, v5;
@@ -555,13 +558,13 @@ use test;
 
 connection root;
 revoke select on t1 from mysqltest_1@localhost;
--- error ER_VIEW_INVALID
+--error ER_VIEW_INVALID
 select * from v1;
--- error ER_VIEW_INVALID
+--error ER_VIEW_INVALID
 select * from v2;
 select * from v3;
 select * from v4;
--- error ER_VIEW_INVALID
+--error ER_VIEW_INVALID
 select * from v5;
 
 #drop view v1, v2, v3, v4, v5;
@@ -594,11 +597,11 @@ connection user1;
 use mysqltest;
 select * from v1;
 select * from v2;
--- error ER_VIEW_INVALID
+--error ER_VIEW_INVALID
 select * from v3;
--- error ER_VIEW_INVALID
+--error ER_VIEW_INVALID
 select * from v4;
--- error ER_VIEW_INVALID
+--error ER_VIEW_INVALID
 select * from v5;
 use test;
 
@@ -610,7 +613,7 @@ REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
 drop database mysqltest;
 
 #
-# BUG#14256: definer in view definition is not fully qualified
+# Bug#14256 definer in view definition is not fully qualified
 #
 --disable_warnings
 drop view if exists v1;
@@ -647,6 +650,7 @@ drop view v1;
 select @v1def1, @v1def2, @v1def1=@v1def2;
 
 connection root;
+disconnect test14256;
 drop user test14256;
 
 # Restore the anonymous users.
@@ -656,8 +660,8 @@ flush privileges;
 drop table t1;
 
 #
-# BUG#14726: freeing stack variable in case of an error of opening
-# a view when we have locked tables with LOCK TABLES statement.
+# Bug#14726 freeing stack variable in case of an error of opening a view when
+#           we have locked tables with LOCK TABLES statement.
 #
 connection root;
 --disable_warnings
@@ -674,7 +678,7 @@ connection user1;
 
 use mysqltest;
 LOCK TABLES v1 READ;
--- error ER_TABLEACCESS_DENIED_ERROR
+--error ER_TABLEACCESS_DENIED_ERROR
 SHOW CREATE TABLE v1;
 UNLOCK TABLES;
 use test;
@@ -685,7 +689,7 @@ drop user mysqltest_1@localhost;
 drop database mysqltest;
 
 #
-# switch to default connaction
+# switch to default connection
 #
 disconnect user1;
 disconnect root;
@@ -702,7 +706,7 @@ drop view v1;
 drop view v2;
 
 #
-# Bug#18681: View privileges are broken
+# Bug#18681 View privileges are broken
 #
 CREATE DATABASE mysqltest1;
 CREATE USER readonly@localhost;
@@ -723,54 +727,55 @@ GRANT UPDATE,SELECT ON mysqltest1.v_tus TO readonly@localhost;
 GRANT DELETE ON mysqltest1.v_td TO readonly@localhost;
 GRANT DELETE,SELECT ON mysqltest1.v_tds TO readonly@localhost;
 
-CONNECT (n1,localhost,readonly,,);
-CONNECTION n1;
+connect (n1,localhost,readonly,,);
+connection n1;
 
---error 1356
+--error ER_VIEW_INVALID
 SELECT * FROM mysqltest1.v_t1;
---error 1356
+--error ER_VIEW_INVALID
 INSERT INTO mysqltest1.v_t1 VALUES(4);
---error 1356
+--error ER_VIEW_INVALID
 DELETE FROM mysqltest1.v_t1 WHERE x = 1;
---error 1356
+--error ER_VIEW_INVALID
 UPDATE mysqltest1.v_t1 SET x = 3 WHERE x = 2;
---error 1356
+--error ER_VIEW_INVALID
 UPDATE mysqltest1.v_t1 SET x = 3;
---error 1356
+--error ER_VIEW_INVALID
 DELETE FROM mysqltest1.v_t1;
---error 1356
+--error ER_VIEW_INVALID
 SELECT 1 FROM mysqltest1.v_t1;
---error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 SELECT * FROM mysqltest1.t1;
 
 SELECT * FROM mysqltest1.v_ts;
---error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 SELECT * FROM mysqltest1.v_ts, mysqltest1.t1 WHERE mysqltest1.t1.x = mysqltest1.v_ts.x;
---error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 SELECT * FROM mysqltest1.v_ti;
 
---error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 INSERT INTO mysqltest1.v_ts VALUES (100);
 INSERT INTO mysqltest1.v_ti VALUES (100);
 
---error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 UPDATE mysqltest1.v_ts SET x= 200 WHERE x = 100;
---error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 UPDATE mysqltest1.v_ts SET x= 200;
 UPDATE mysqltest1.v_tu SET x= 200 WHERE x = 100;
 UPDATE mysqltest1.v_tus SET x= 200 WHERE x = 100;
 UPDATE mysqltest1.v_tu SET x= 200;
 
---error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 DELETE FROM mysqltest1.v_ts WHERE x= 200;
---error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 DELETE FROM mysqltest1.v_ts;
---error 1143
+--error ER_COLUMNACCESS_DENIED_ERROR
 DELETE FROM mysqltest1.v_td WHERE x= 200;
 DELETE FROM mysqltest1.v_tds WHERE x= 200;
 DELETE FROM mysqltest1.v_td;
 
-CONNECTION default;
+connection default;
+disconnect n1;
 DROP VIEW mysqltest1.v_tds;
 DROP VIEW mysqltest1.v_td;
 DROP VIEW mysqltest1.v_tus;
@@ -783,21 +788,21 @@ DROP USER readonly@localhost;
 DROP DATABASE mysqltest1;
 
 #
-# BUG#14875: Bad view DEFINER makes SHOW CREATE VIEW fail
+# Bug#14875 Bad view DEFINER makes SHOW CREATE VIEW fail
 #
 CREATE TABLE t1 (a INT PRIMARY KEY);
 INSERT INTO t1 VALUES (1), (2), (3);
 CREATE DEFINER = 'no-such-user'@localhost VIEW v AS SELECT a from t1;
-#--warning 1448
+#--warning ER_VIEW_OTHER_USER
 SHOW CREATE VIEW v;
---error 1449
+--error ER_NO_SUCH_USER
 SELECT * FROM v;
 DROP VIEW v;
 DROP TABLE t1;
 USE test;
 
 #
-# Bug#20363: Create view on just created view is now denied
+# Bug#20363 Create view on just created view is now denied
 #
 eval CREATE USER mysqltest_db1@localhost identified by 'PWD';
 eval GRANT ALL ON mysqltest_db1.* TO mysqltest_db1@localhost WITH GRANT OPTION;
@@ -828,6 +833,7 @@ SELECT * FROM view2;
 SELECT * from view3;
 
 connection default;
+disconnect session1;
 DROP VIEW mysqltest_db1.view3;
 DROP VIEW mysqltest_db1.view2;
 DROP VIEW mysqltest_db1.view1;
@@ -835,8 +841,8 @@ DROP TABLE mysqltest_db1.t1;
 DROP SCHEMA mysqltest_db1;
 DROP USER mysqltest_db1@localhost;
 #
-# BUG#20482: failure on Create join view with sources views/tables 
-#             in different schemas
+# Bug#20482 failure on Create join view with sources views/tables
+#           in different schemas
 #
 --disable_warnings
 CREATE DATABASE test1;
@@ -846,7 +852,7 @@ CREATE DATABASE test2;
 CREATE TABLE test1.t0 (a VARCHAR(20));
 CREATE TABLE test2.t1 (a VARCHAR(20));
 CREATE VIEW  test2.t3 AS SELECT * FROM test1.t0;
-CREATE OR REPLACE VIEW test.v1 AS 
+CREATE OR REPLACE VIEW test.v1 AS
   SELECT ta.a AS col1, tb.a AS col2 FROM test2.t3 ta, test2.t1 tb;
 
 DROP VIEW test.v1;
@@ -857,8 +863,8 @@ DROP DATABASE test1;
 
 
 #
-# BUG#20570: CURRENT_USER() in a VIEW with SQL SECURITY DEFINER
-# returns invoker name
+# Bug#20570 CURRENT_USER() in a VIEW with SQL SECURITY DEFINER returns
+#           invoker name
 #
 --disable_warnings
 DROP VIEW IF EXISTS v1;
@@ -917,7 +923,7 @@ DROP USER mysqltest_u1@localhost;
 
 
 #
-# Bug#17254: Error for DEFINER security on VIEW provides too much info
+# Bug#17254 Error for DEFINER security on VIEW provides too much info
 #
 connect (root,localhost,root,,);
 connection root;
@@ -941,12 +947,12 @@ DROP USER def_17254@localhost;
 connect (inv,localhost,inv_17254,,db17254);
 connection inv;
 --echo for a user
---error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 SELECT * FROM v1;
 
 connection root;
 --echo for a superuser
---error 1449
+--error ER_NO_SUCH_USER
 SELECT * FROM v1;
 DROP USER inv_17254@localhost;
 DROP DATABASE db17254;
@@ -955,7 +961,7 @@ disconnect inv;
 
 
 #
-# BUG#24404: strange bug with view+permission+prepared statement
+# Bug#24404 strange bug with view+permission+prepared statement
 #
 --disable_warnings
 DROP DATABASE IF EXISTS mysqltest_db1;
@@ -1023,8 +1029,8 @@ DROP USER mysqltest_u1@localhost;
 DROP USER mysqltest_u2@localhost;
 
 #
-# Bug#26813: The SUPER privilege is wrongly required to alter a view created
-#            by another user.
+# Bug#26813 The SUPER privilege is wrongly required to alter a view created
+#           by another user.
 #
 connection root;
 CREATE DATABASE db26813;
@@ -1056,7 +1062,7 @@ DROP DATABASE db26813;
 disconnect u1;
 
 --echo #
---echo # Bug#29908: A user can gain additional access through the ALTER VIEW.
+--echo # Bug#29908 A user can gain additional access through the ALTER VIEW.
 --echo #
 connection root;
 CREATE DATABASE mysqltest_29908;
@@ -1101,7 +1107,7 @@ disconnect u2;
 --echo #######################################################################
 
 #
-# BUG#24040: Create View don't succed with "all privileges" on a database.
+# Bug#24040 Create View don't succed with "all privileges" on a database.
 #
 
 # Prepare.
@@ -1185,7 +1191,7 @@ SELECT * FROM mysqltest1.t4;
 
 # Cleanup.
 
--- disconnect bug24040_con
+disconnect bug24040_con;
 
 DROP DATABASE mysqltest1;
 DROP DATABASE mysqltest2;
@@ -1193,8 +1199,8 @@ DROP USER mysqltest_u1@localhost;
 
 
 #
-# Bug #41354: Access control is bypassed when all columns of a view are 
-# selected by * wildcard
+# Bug#41354 Access control is bypassed when all columns of a view are
+#           selected by * wildcard
 
 CREATE DATABASE db1;
 USE db1;
@@ -1208,7 +1214,6 @@ connect (addconfoo, localhost, foo,,);
 connection addconfoo;
 USE db1;
 
-
 SELECT f1 FROM t1;
 --error ER_COLUMNACCESS_DENIED_ERROR
 SELECT f2 FROM t1;
@@ -1222,8 +1227,9 @@ SELECT f2 FROM v1;
 SELECT * FROM v1;
 
 connection default;
-USE test;
+disconnect root;
 disconnect addconfoo;
+USE test;
 REVOKE SELECT (f1) ON db1.t1 FROM foo;
 REVOKE SELECT (f1) ON db1.v1 FROM foo;
 DROP USER foo;
@@ -1332,8 +1338,8 @@ DROP DATABASE mysqltest1;
 DROP USER mysqluser1@localhost;
 
 #
-# Bug#35600: Security breach via view, I_S table and prepared 
-# statement/stored procedure
+# Bug#35600 Security breach via view, I_S table and prepared
+#           statement/stored procedure
 #
 CREATE USER mysqluser1@localhost;
 CREATE DATABASE mysqltest1;
@@ -1374,3 +1380,8 @@ DROP VIEW v1, v2;
 DROP DATABASE mysqltest1;
 DROP VIEW test.v3;
 DROP USER mysqluser1@localhost;
+USE test;
+
+# Wait till we reached the initial number of concurrent sessions
+--source include/wait_until_count_sessions.inc
+
diff --git a/mysql-test/t/wait_timeout.test b/mysql-test/t/wait_timeout.test
index 63809252a01..6947e346675 100644
--- a/mysql-test/t/wait_timeout.test
+++ b/mysql-test/t/wait_timeout.test
@@ -10,8 +10,11 @@
 -- source include/not_embedded.inc
 -- source include/one_thread_per_connection.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 #
-# Bug#8731: wait_timeout does not work on Mac OS X
+# Bug#8731 wait_timeout does not work on Mac OS X
 #
 
 let $start_value= `SELECT @@global.wait_timeout`;
@@ -113,6 +116,7 @@ while (!`select @aborted_clients`)
 # the disconnect has reached client
 let $wait_condition= SELECT COUNT(*)=1 FROM information_schema.processlist;
 --source include/wait_condition.inc
+disconnect wait_con;
 
 --echo connection con1;
 connection con1;
@@ -126,8 +130,13 @@ SELECT 2;
 SELECT 3;
 --replace_result $start_value <start_value>
 eval SET @@global.wait_timeout= $start_value;
-# ML: The start value might be changed in future ...
 --echo disconnection con1;
 disconnect con1;
 
 
+# The last connect is to keep tools checking the current test happy.
+connect (default,localhost,root,,test,,);
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+
diff --git a/mysql-test/t/xa.test b/mysql-test/t/xa.test
index 591d7ac2c4d..04ecf518577 100644
--- a/mysql-test/t/xa.test
+++ b/mysql-test/t/xa.test
@@ -2,6 +2,10 @@
 # WL#1756
 #
 -- source include/have_innodb.inc
+
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 --disable_warnings
 drop table if exists t1, t2;
 --enable_warnings
@@ -14,10 +18,10 @@ xa rollback 'test1';
 select * from t1;
 
 xa start 'test2';
---error 1399
+--error ER_XAER_RMFAIL
 xa start 'test-bad';
 insert t1 values (20);
---error 1399
+--error ER_XAER_RMFAIL
 xa prepare 'test2';
 xa end 'test2';
 xa prepare 'test2';
@@ -27,22 +31,22 @@ select * from t1;
 xa start 'testa','testb';
 insert t1 values (30);
 
---error 1399
+--error ER_XAER_RMFAIL
 commit;
 
 xa end 'testa','testb';
 
---error 1399
+--error ER_XAER_RMFAIL
 begin;
---error 1399
+--error ER_XAER_RMFAIL
 create table t2 (a int);
 
 connect (con1,localhost,root,,);
 connection con1;
 
---error 1440
+--error ER_XAER_DUPID
 xa start 'testa','testb';
---error 1440
+--error ER_XAER_DUPID
 xa start 'testa','testb', 123;
 
 #        gtrid [ , bqual [ , formatID ] ]
@@ -51,7 +55,7 @@ insert t1 values (40);
 xa end 'testb',' 0@P`',11;
 xa prepare 'testb',0x2030405060,11;
 
---error 1399
+--error ER_XAER_RMFAIL
 start transaction;
 
 xa recover;
@@ -64,11 +68,11 @@ xa prepare 'testa','testb';
 
 xa recover;
 
---error 1397
+--error ER_XAER_NOTA
 xa commit 'testb',0x2030405060,11;
 xa rollback 'testa','testb';
 
---error 1064
+--error ER_PARSE_ERROR
 xa start 'zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz';
 
 select * from t1;
@@ -119,3 +123,7 @@ xa start 'a','c';
 drop table t1;
 
 --echo End of 5.0 tests
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+